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This study aims to critically analyze the determination of the Tax Base (Dasar Pengenaan Pajak/DPP) in the withholding tax mechanism under Article 23 of the Indonesian Income Tax Law for freight forwarding services at PT MPX Indonesia. The research focuses on evaluating the implementation of the “All-In” billing model, where all operational costs are consolidated into a single gross invoice amount and treated as the taxable base. This approach raises concerns regarding its compliance with applicable tax regulations, particularly in distinguishing between service fees and reimbursable expenses. The study employs a qualitative descriptive method using a case study approach. Data are collected through documentation analysis of transaction records, including invoices and Unified Income Tax withholding receipts. The findings are expected to provide insights into the appropriateness of the applied tax base determination method and its implications for tax compliance and efficiency within the company’s operational practices and financial reporting system.

State finances rely heavily on tax revenues, yet tax avoidance remains a persistent obstacle that can reduce government income. This practice is commonly associated with internal corporate conditions. Therefore, this research examines how profitability, leverage, firm size, and capital intensity relate to tax avoidance behavior. Employing a descriptive design with a Systematic Literature Review (SLR), the study evaluates ten empirical articles published between 2021 and 2025 in Sinta and Scopus indexed journals. The analysis indicates that the influence of these internal factors varies across studies. Profitability and leverage demonstrate contradictory effects, as strong earnings and higher debt may stimulate aggressive tax planning through tax shields, but may also restrain avoidance to preserve corporate image. Firm size likewise presents inconsistent results due to regulatory and public attention. In contrast, capital intensity generally shows minimal influence because investments in fixed assets are directed toward operational efficiency. These findings provide valuable considerations for policymakers to strengthen tax deduction regulations and encourage responsible corporate tax compliance.

This article aims to analyze the implementation of tax planning by CV. Sukses Mitra Sejahtera in reducing Corporate Income Tax liabilities. The research employs communication and observation methods, with data collected through interviews, company documentation, literature study, and online information searching. The collected data were then analyzed using a qualitative descriptive approach, focusing on the processing of commercial and fiscal financial reports. The findings indicate that the company has not fully implemented tax planning optimally. However, the existing tax planning strategy has shown positive results, with a tax burden saving of IDR 3,994,865 or approximately 5.05% of the total income tax payable. These results demonstrate that, although not fully effective, tax planning can significantly contribute to reducing the company's tax burden. Therefore, tax planning proves to be an essential tool in enhancing the efficiency of tax liabilities, which can help companies achieve better and more sustainable financial management. This study provides valuable insights for other companies in implementing tax planning to maximize their tax savings.

This study aims to analyze the role of financial factors in encouraging corporate tax aggressiveness using a literature review approach. Taxes are a major source of government revenue, making tax aggressiveness an important issue in accounting and taxation research. This study applies the Systematic Literature review (SLR) method by examining previous studies related to leverage, capital intensity, and profitability in influencing tax aggressiveness. Data were obtained from scientific articles indexed in academic databases such as Sinta 2 and Scopus published between 2020 and 2024. The results show that leverage in several studies has a positive effect on tax aggressiveness because interest expenses can reduce taxable income. Capital intensity shows mixed findings, including positive, negative, and insignificant effects on tax aggressiveness. Profitability also presents inconsistent results across studies. Overall, financial factors have varying roles in influencing corporate tax aggressiveness, and factors such as leverage, capital intensity, and profitability play a very important role in determining how much a company engages in tax avoidance practices.

This study examines the implementation of the Coretax system in preparing electronic withholding tax slips (e-Bupot) and submitting Monthly Income Tax Article 21 (PPh 21) Returns at PT RSA. Coretax, launched by the Directorate General of Taxes (DGT) and officially implemented on January 1, 2025, is part of the government’s effort to modernize tax administration and improve taxpayer compliance. The research uses a qualitative descriptive method with a case study approach. Data were obtained through interviews with personnel responsible for PPh 21 administration, direct observation of e-Bupot preparation and monthly tax return filing through Coretax, and documentation review of tax reports and withholding slips. The analysis compares PT RSA’s practices with applicable tax regulations and identifies technical challenges during system use. The results show that PT RSA has complied with prevailing regulations, including the application of the Average Effective Rate (TER) and the utilization of Coretax for tax administration. However, technical constraints remain, particularly unstable internet connections and slow Coretax server performance during peak reporting periods, leading to data entry delays and upload failures. Therefore, improvements in system stability and performance are needed to support timely reporting and optimal tax compliance.

This study aims to analyze tax planning for Income Tax (PPh) Article 21 using the net, gross, and gross-up methods to minimize Corporate Income Tax at the Nahdlatul Ulama Hajj Guidance Foundation in Kediri City. Corporate Income Tax is a tax imposed on income received or obtained by an entity, so an appropriate tax planning strategy is needed in accordance with applicable tax regulations. This study uses a quantitative approach with primary data sources in the form of financial reports and payroll data of the foundation. Data analysis techniques include calculating PPh Article 21 using the three methods, fiscal reconciliation, and calculating Corporate Income Tax. The results of the study indicate that there are significant differences in tax burdens between the net, gross, and gross-up methods. The gross-up method results in a lower Corporate Income Tax burden compared to the net and gross methods because tax costs can be deducted fiscally. Thus, the application of the gross-up method is considered more effective in tax planning and can be used as a strategic alternative for foundations in optimizing tax burden efficiency without violating applicable tax regulations.

This study aims to investigate in detail the tax planning and implementation strategies applied by PT Unilever Indonesia Tbk in fulfilling its Corporate Income Tax (CIT) obligations. While taxes serve as a major source of government revenue, they also represent a financial burden for businesses that can impact net profits. Therefore, the implementation of a carefully designed tax planning approach is crucial to effectively manage tax liabilities while remaining compliant with existing legal regulations. The research employs a descriptive-analytical method, supported by a review of relevant literature and the use of secondary data obtained from taxation-related documentation. The study seeks to identify the tax planning protocols adopted by the company and assess their influence on the effectiveness of the firm’s tax-related financial expenditures. The findings reveal that PT Unilever Indonesia Tbk has successfully implemented tax planning strategies through the strategic utilization of deductible expenses as outlined in Article 6(1) of the Indonesian Income Tax Law, which includes expenditures for employee training, research and development activities, and corporate social responsibility (CSR) initiatives. This approach allows the company to legally reduce its tax obligations while enhancing its financial efficiency. The insights gained from this research are expected to serve as a framework for other organizations in developing tax planning policies that are not only effective and efficient but also sustainable in the long term.

The digital era requires companies to adapt to modern, efficient, and accurate taxation systems. This study aims to analyze the implementation of an integrated system to optimize tax administration processes in a port service company in Indonesia. The focus of this research is to examine how the integration of systems such as SAP, Coretax, Microsoft Excel, and digital banking platforms is utilized to manage Income Tax Article 23 (PPh 23), Value Added Tax (VAT), and the tax reimbursement process. This study employs a qualitative approach with a descriptive case study design, conducted through participatory observation, document analysis, and informal interviews with employees directly involved in tax administration. The results indicate that the integrated system positively impacts the efficiency, consistency, and reliability of tax administration processes. It helps streamline workflows and accelerate tax reporting, particularly in managing PPh 23 and VAT. However, weaknesses remain in the manual data recap stage using Microsoft Excel, which is prone to human error due to the absence of automatic validation mechanisms. Therefore, this study recommends developing a standardized Excel template equipped with automatic validation features and providing training for staff to enhance data accuracy and administrative effectiveness. These findings are expected to serve as a practical reference for other companies in implementing an integrated taxation system that is optimal and sustainable, as well as encouraging increased efficiency and compliance with tax administration in the corporate environment.

This study analyzes the implementation of Income Tax Article 21 (PPh 21) before and after changes in the Average Effective Rate (TER) and Progressive Rate based on Government Regulation (PP) No. 58 of 2023 on permanent employees of PT Federal International Finance (FIFGROUP) Lampung Branch. The purpose of the study was to evaluate the conformity of the calculation and reporting of PPh 21 with the latest regulations and to identify the impact of changes in rates on employee tax obligations. The research method used a qualitative descriptive approach with primary data (interviews and observations) and secondary data (financial documents, tax regulations, and internal company reports). Comparative analysis reveals that the use of TER tends to result in higher monthly tax burdens compared to annual progressive calculations, especially in the Non-Taxable Income (PTKP) K/3 and TK/3 categories. This finding indicates the need for adjustments to the payroll system to minimize tax differences and improve the accuracy of deductions. Keywords: Article 21 Income Tax; Calculation of Article 21 Income Tax with TER and Progressive rates; PP No. 58 of 2023.

This study aims to examine the role of Coretax as a digital innovation in reporting the Periodic Tax Return (SPT Masa) for Income Tax Article 21 (PPh 21), which has been nationally implemented since 2025. Coretax is an integrated tax administration system developed by the Directorate General of Taxes to combine the processes of electronic withholding tax slip (e-Bupot) creation, tax return reporting, and tax payment into one efficient and accurate online platform. The system simplifies reporting procedures, accelerates administrative processes, and enhances taxpayer compliance through real-time data integration and automatic validation. However, the implementation of Coretax faces challenges such as technical issues, intensive training needs for staff at Tax Service Offices, and limited digital literacy among taxpayers, especially micro, small, and medium enterprises (MSMEs). This study provides an overview of Coretax’s contribution to supporting the digital transformation of Indonesia’s tax system while identifying obstacles that must be addressed to ensure optimal system performance.

This study aims to examine the implications of Minister of Finance Regulation (PMK) Number 37 of 2025 on the national fiscal balance and the resilience of micro, small, and medium enterprises (MSMEs) in the context of the rapid development of e-commerce in Indonesia. This PMK introduces a collect at the source mechanism, which is the appointment of certain marketplaces as collectors of Income Tax (PPh) Article 22 on online merchant transactions. This policy is seen as one of the strategic steps to expand the digital tax base, improve fiscal efficiency, and support the principle of compliance by design. The research uses a descriptive qualitative approach through documentation studies of official government documents, academic literature, and relevant publications. The results of the study show that the implementation of PMK 37/2025 has the potential to have a positive impact on state revenue through digital taxation optimization. In addition, this policy can strengthen the fiscal balance by minimizing the potential for tax avoidance in the growing digital economy sector. However, on the other hand, the policy also poses a number of challenges for MSMEs, especially related to administrative readiness, limited fiscal literacy, and adaptability to the tax digitalization system. For most MSMEs, additional tax liabilities can be a burden that affects cash flow, competitiveness, and business sustainability, especially for MSMEs that are still in the growth stage and have limited resources. The policy implications identified include the importance of improving fiscal education and literacy programs, the development of user-friendly digital reporting systems, and active collaboration between fiscal authorities, marketplaces, and MSME actors. Thus, the success of the implementation of PMK 37/2025 is not only determined by regulations, but also by the extent to which the policy is able to be implemented in an inclusive, adaptive, and sustainable manner in supporting national economic development.

This community service activity was carried out as an effort to improve the effectiveness of reporting and withholding of Income Tax (PPh) Article 21 at the Kosayu Credit Cooperative through accounting-based technical assistance. The main problem identified during the Field Work Practice (PKL) activity was the potential for tax overpayments caused by inaccurate estimates of employee annual income and limitations of the payroll system used by the cooperative. To address these problems, the implementation team implemented several methods, namely direct observation of the tax administration process, technical training for related staff, tax calculation simulations based on actual data, and evaluation of the existing tax recording and reporting system. The results of the activity showed that although the cooperative had used the Average Effective Rate (TER) method for withholding PPh 21, its implementation was still not optimal because it was not supported by an integrated information system and a regularly updated employee database. This resulted in inaccuracies in tax calculations and withholding. Therefore, this assistance recommended several improvements, including updating the payroll system, improving employee data, integrating the digital tax reporting system, and increasing the capacity of the cooperative's human resources through ongoing training related to tax regulations. In addition to having a direct impact on the efficiency of cooperative tax management, this program also provides contextual learning benefits for students in linking tax accounting theory with real conditions in the field.

This study aims to compare the implementation of Income Tax (Article 21) before and after the COVID-19 pandemic. The research uses a descriptive qualitative approach through a literature review of tax regulations, official reports from the Directorate General of Taxes, and academic journals. The results show that prior to the pandemic, Article 21 Income Tax was applied normally with the tax borne by employees. During the pandemic, the government provided tax incentives through the Article 21 Income Tax Borne by the Government (DTP) policy as part of a fiscal stimulus package. After the pandemic, the incentive policy was discontinued and the implementation returned to the normal tax system. This study concludes that fiscal policy is adaptive to crisis conditions, and tax incentives have proven effective in maintaining public purchasing power and encouraging tax compliance.   Keywords: Income Tax, Article 21, COVID-19, Tax Incentives, Fiscal Policy.

This research aims to analyze the calculation of PPh Article 21 on bonuses in determining the PPh payable to employees. In determining bonuses, this often causes dissatisfaction among employees because the bonus amounts are unequal. So a method is needed to determine the bonus, the SAW method is the approach used because this approach ranks employees based on their assessment and weighting of criteria with the results in the form of a ranking. The results of this ranking will later determine the employee's bonus. The sampling technique used purposive sampling, and research data was collected through documentation and interviews. The results show that the use of the SAW method provides employee assessments for calculating bonuses in accordance with existing assessments and criteria, and the results are different from before. so that the tax income owed by employees will depend on the amount of bonus received by each employee after using the SAW method and the applicable PPh Article 21 rates.

Article 26 Income Tax (PPh Article 26) is a tax imposed on income received by foreign taxpayers from sources within Indonesia. This tax applies to foreign entities or individuals who do not reside, are not domiciled, and do not have a permanent establishment in Indonesia. Types of taxable income include interest, dividends, royalties, rent, and service fees. The standard tax rate is 20% of the gross income, but it can be reduced if a Double Tax Avoidance Agreement (DTAA) exists between Indonesia and the taxpayer’s country. The Indonesian income payer is responsible for withholding the tax. After withholding, the tax must be paid to the government by the 10th of the following month and reported to the tax authority by the 20th. To apply DTAA rates, the foreign taxpayer must submit a Certificate of Domicile (CoD). This mechanism ensures that Indonesia maintains its right to tax income derived within its territory. By understanding the procedures for withholding, paying, and reporting Article 26 tax, taxpayers can fulfill their tax obligations correctly and avoid administrative penalties.

Theoretical The lion's share of a country's budget comes from tax collection. The most source of subsidizing is charges, which are utilized to advance national growth. Income charges make the foremost cash for the government. One of the purposes of last salary charge is to supply administrations related to leasing arrive and/or buildings, such as leasing rooms. As expressed in Pay Assess Article 4 Passage (2), all company onscreen characters utilize bookkeeping to report all exchanges related to charge collection exercises. Article 4 PPh is connected to the Indonesian economy in this article. Sources of salary subject to this assess incorporate giving development administrations, leasing arrive and buildings, and ensuring property rights. This article highlights the ease of tax assessment, installment and charge detailing as an exertion to cut authoritative costs for both citizens and the Directorate General of Charges (DJP). This research could be a subjective technique; Particularly, it could be a writing survey that employments numerous citations from freely accessible sources. The creator offers a subjective strategy by illustrating how PPh section 2 article 4 is connected within the financial segment. This investigate found that by emphasizing responsibility and openness in money related exercises, the execution of this charge has made a difference grow the Indonesian economy.

Income Tax Article 21 (PPh Pasal 21) is a tax withheld on income received by resident individual taxpayers in connection with employment, services, or activities. PPh Pasal 21 plays a crucial role in Indonesia's taxation system as a pay-as-you-earn mechanism, ensuring stable and equitable state revenue. The subjects of PPh Pasal 21 include employees, pension recipients, former employees, members of the board of commissioners or supervisory board who are not permanent employees, and recipients of honoraria or other remuneration. The calculation of PPh Pasal 21 involves several components, including gross income, occupation costs, pension contributions, and Non-Taxable Income (PTKP). Effective implementation of PPh Pasal 21 requires a comprehensive understanding of relevant laws and regulations, as well as accuracy in calculation and reporting, to minimize compliance risks and tax disputes.

This study is a literature study that aims to analyze the practice of withholding and collecting Income Tax (PPh) Article 23 in the context of tax regulations in Indonesia. Data were obtained through a literature review of laws and regulations, tax textbooks, and relevant scientific journals. The results of the analysis indicate that although the provisions of PPh Article 23 have been regulated in detail, there is still the potential for differences in interpretation in practice, especially regarding the classification of tax objects and withholding rates. This study recommends increasing the socialization of regulations and simplifying tax administration in order to improve taxpayer compliance.

This study aims to evaluate the effectiveness of the implementation of Income Tax Article 25 (PPh 25) in increasing state tax revenue and reducing the tax burden on taxpayers. PPh 25 is a mechanism for periodic tax installment payments made by taxpayers based on estimated tax liabilities. This research adopts a descriptive quantitative approach using secondary data obtained from the Directorate General of Taxes’ reports, supported by questionnaires distributed to taxpayers within a specific Tax Service Office (KPP) area. The results show that the implementation of PPh 25 contributes significantly to tax revenue by encouraging taxpayer compliance and ensuring a stable cash flow for the state. Additionally, the installment system of PPh 25 helps reduce the annual tax burden on taxpayers both psychologically and administratively, as obligations are paid in stages. However, challenges remain in the accuracy of estimating tax liabilities, which can lead to overpayment or underpayment. Therefore, more intensive socialization and technical guidance are needed to improve taxpayers’ understanding and compliance with the PPh 25 mechanism.

Article 26 of the Indonesian Income Tax Law (PPh Pasal 26) is a significant fiscal regulation that imposes withholding tax on income derived from Indonesian sources and received by foreign taxpayers who do not have a permanent establishment (PE) in Indonesia. The implementation of this regulation plays a crucial role in securing state revenue from cross-border transactions while also addressing the issue of double taxation through Double Taxation Avoidance Agreements (DTAAs). Income subject to PPh 26 includes dividends, interest, royalties, rent, service fees, rewards, pensions, and insurance premiums. The standard withholding tax rate is 20% of the gross or estimated net income, although lower rates may apply depending on applicable tax treaties. The calculation method varies depending on the type of income and the existence of a DTAA. This article also highlights the importance of determining the beneficial owner in applying tax treaty benefits, as well as the challenges faced by companies and tax authorities in enforcement. A case study is presented to illustrate how PPh 26 is calculated on insurance and reinsurance transactions involving foreign entities. Understanding the mechanism, rates, and legal context of PPh 26 is essential for taxpayers and practitioners to ensure compliance and mitigate potential tax disputes.