Article 36 paragraph (1) letter b of the KUP Law provides an avenue for Taxpayers to cancel incorrect tax assessment notices, but its effectiveness heavily depends on the strength of the material evidence presented in court. The case of Mr. A serves as a crucial precedent on how legally invalid Tax Return (SPT) data cannot be used as the sole basis for ex-officio tax assessments. This dispute began when the Defendant issued a VAT Underpayment Assessment Notice (SKPKB) based on Mr. A's Individual Income Tax Return data, which listed a turnover of IDR 20 billion, even though Mr. A claimed the return was filed by a third party without his consent and without an original signature.
The core of the conflict lies in the contradiction between the Defendant's administrative procedures and the Plaintiff's material facts. The Defendant insisted that the assessment followed proper procedures because the Plaintiff was deemed uncooperative during the audit, leading to the use of available SPT data. Conversely, the Plaintiff provided strong rebuttal evidence in the form of bank statements showing an actual turnover of only IDR 2.3 billion—below the VAT Small Business threshold—along with a notarized statement from the individual who falsified the tax report.
In its consideration, the Tax Court Judges prioritized the principle of material truth. After conducting a physical examination of the source documents, the Judges found an irrefutable fact: the SPT used by the Defendant was indeed not signed by the Plaintiff. Pursuant to Article 29 paragraph (2) of the KUP Law, audit results must be based on competent evidence. The Judges emphasized that a formally defective SPT (without a signature) lacks evidentiary power for ex-officio tax assessments, especially when the Plaintiff can prove the actual turnover through banking documents.
The implication of this decision reinforces that tax authorities must not ignore the validity of source documents when making corrections. This "Fully Granted" (Kabul Seluruhnya) ruling serves as a reminder for tax authorities to be more diligent in verifying the authenticity of tax returns before using them as a database for corrections. For Taxpayers, this case demonstrates the importance of monitoring personal tax accounts and the readiness of supporting evidence such as bank statements as the final line of defense in turnover value disputes.
A Comprehensive Analysis and the Tax Court Decision on This Dispute Are Available Here