Coretax and the New Paradigm of Fiscal Correction
IS IT TRUE that fiscal correction is merely a matter of accurately calculating tax ahead of the corporate annual income tax return filing deadline? This assumption has been held by many taxpayers for years. Now, the transformation of the coretax administration system is challenging it directly.
Public attention towards coretax has largely focused on service digitalisation and application changes. Yet the substance being built is far greater.
Through MoF Reg. 81/2024 and PER-11/PJ/2025, the Directorate General of Taxes (DGT) is developing an administration system increasingly grounded in data quality, transaction traceability and information consistency. The redesign of fiscal reconciliation is one of the clearest examples of this policy direction.
Under the new filing mechanisms, fiscal correction can no longer be presented merely as an aggregate adjustment between commercial profit and fiscal profit. Articles 84 - 89 of PER-11/PJ/2025 require each adjustment to be linked directly to the relevant income statement account along with the corresponding fiscal adjustment code, replacing the Form 1771-I format that was previously separate from the master tax return.
Taxpayers must now select from eleven positive fiscal adjustment codes and four negative fiscal adjustment codes for each corrected account. From an administrative standpoint, this change increases transparency whilst facilitating risk analysis.
From the taxpayers' perspective, this change conveys a message that the quality of filing is no longer measured solely by the accuracy of figures, but also by a company's ability to explain how those figures were arrived at.
This is where the former paradigm needs to change. For many years, fiscal correction has more often been understood as end-of-period work ahead of the submission of the corporate annual income tax return. In reality, fiscal correction is merely the end result of a series of processes that begin from the moment the first transaction is recorded.
Incomplete documentation, incorrect account classification, weak inter-functional coordination or internal control not functioning properly will ultimately converge into fiscal corrections. Accordingly, the magnitude of fiscal correction, in fact, reflects the quality of governance rather than merely the ability to calculate tax.
One might reasonably ask: is fiscal correction not an unavoidable consequence given that accounting and taxation are founded on different principles? The answer is yes. Differences in treatment between Indonesian financial accounting standards and the Income Tax Law (ITL) will always give rise to both permanent and temporary differences.
Article 6 of the ITL governs that deductible expenses shall be based on the principle of their connection to activities of deriving, collecting and maintaining income.
Meanwhile, Article 9 of the ITL expressly governs non-deductible expenses even if they are recognised commercially, such as income tax and expenses for the personal benefit of shareholders.
Fiscal reconciliation arising from such normative differences is an inherent characteristic of the tax system, not an indication of governance failure.
However, this fact does not negate the core issue. What requires attention is not the normative corrections that have already been expressly stipulated under statutory laws and regulations, but rather the operational corrections that could, in fact, be prevented through improvements to business processes and stronger documentation discipline.
Both types of correction can now be distinguished more clearly, as the new format requires each adjustment to be attached to a specific code and account. Consequently, recurring correction patterns from year to year will be more readily identified, both by management and by the tax authority.
This approach is consistent with the tax control framework developed by the OECD within its co-operative compliance framework (OECD, 2013). The OECD emphasises that sustainable tax compliance is determined not only by whether tax calculations are correct, but also by the effectiveness of internal control, governance and the compliance culture developed by the company.
Within that perspective, the tax function evolves from being merely a compliance executor to forming part of the company's risk management system.
The implications are highly strategic for boards of directors and audit committees. The questions that have typically been asked, namely, the amount of the fiscal correction or how much tax must be paid, ought no longer to be sufficient.
The more valuable questions are: why did those corrections arise, have the causes been remedied and is the trend of corrections that could, in fact, be prevented continuing to decline year on year?
When such questions become a routine part of management evaluation, fiscal reconciliation transforms in function from a mere administrative obligation into an instrument of organisational learning.
Ultimately, tax administration reform through the Coretax is not merely a digitalisation project. This reform drives a change in compliance culture, from mere tax reporting towards tax governance.
Under this new paradigm, fiscal correction is no longer simply a figure in the annual tax return, but rather a reflection of the quality of business processes, internal control and corporate governance.
To that end, the measure of success in the era of data-driven tax administration ought not to be the absence of fiscal correction, but rather the progressively smaller proportion of corrections that could, in fact, be prevented year on year, whilst normative corrections remain well documented as a natural consequence of the differences between accounting and tax principles. (rig)
