{"id":10921,"date":"2026-01-27T10:41:06","date_gmt":"2026-01-27T03:41:06","guid":{"rendered":"http:\/\/145.79.15.100\/blog\/?p=10921"},"modified":"2026-01-27T10:41:06","modified_gmt":"2026-01-27T03:41:06","slug":"how-to-file-a-unified-tax-return-in-coretax","status":"publish","type":"post","link":"https:\/\/voffice.co.id\/blog\/en\/how-to-file-a-unified-tax-return-in-coretax\/","title":{"rendered":"How to File a Unified Tax Return (SPT Unifikasi) in Coretax: A Complete and Practical Guide from vOffice"},"content":{"rendered":"<p>Understanding how to file an SPT Unifikasi in Coretax is mandatory for every tax withholder or collector who has obligations under Article 15, 22, 23\/26 Income Tax, and Final Income Tax Article 4 paragraph (2). This reporting is carried out electronically through the CORETax DJP system and has become the new standard of the Directorate General of Taxes for digital tax administration.<\/p>\n<p>We often find that business owners, consultants, and freelancers are still confused about the SPT Unifikasi workflow. In fact, once understood systematically, the process is quite logical and well-structured.<\/p>\n<h2>What Is SPT Unifikasi in Coretax?<\/h2>\n<figure id=\"attachment_10840\" aria-describedby=\"caption-attachment-10840\" style=\"width: 735px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-large wp-image-10840\" src=\"https:\/\/voffice.co.id\/blog\/wp-content\/uploads\/2026\/01\/coretax3-1024x472.webp\" alt=\"How to File a Unified Tax Return (SPT Unifikasi) in Coretax: A Complete and Practical Guide from vOffice\" width=\"735\" height=\"339\" srcset=\"https:\/\/voffice.co.id\/blog\/wp-content\/uploads\/2026\/01\/coretax3-1024x472.webp 1024w, https:\/\/voffice.co.id\/blog\/wp-content\/uploads\/2026\/01\/coretax3-300x138.webp 300w, https:\/\/voffice.co.id\/blog\/wp-content\/uploads\/2026\/01\/coretax3-768x354.webp 768w, https:\/\/voffice.co.id\/blog\/wp-content\/uploads\/2026\/01\/coretax3-1536x708.webp 1536w, https:\/\/voffice.co.id\/blog\/wp-content\/uploads\/2026\/01\/coretax3.webp 1894w\" sizes=\"(max-width: 735px) 100vw, 735px\" \/><figcaption id=\"caption-attachment-10840\" class=\"wp-caption-text\">How to File a Unified Tax Return (SPT Unifikasi) in Coretax: A Complete and Practical Guide from vOffice<\/figcaption><\/figure>\n<p>SPT Unifikasi is a Monthly Income Tax Return that consolidates several types of Income Tax into a single filing. This system is integrated with the Unified e-Bupot, allowing withholding tax data to be automatically pulled from previously issued withholding slips.<\/p>\n<p>Through the CORETax Administration System (CTAS), the Directorate General of Taxes simplifies administrative processes while improving the accuracy of tax data.<\/p>\n<p><strong>Read Also:<\/strong> <strong><a href=\"https:\/\/voffice.co.id\/blog\/en\/spt-masa-pph-unification-definition\/\">SPT Masa PPh Unifikasi: Definition and Legal Basis<\/a><\/strong><\/p>\n<h2>Preparation Before Filing SPT Unifikasi<\/h2>\n<p>Before starting the filing process, make sure you have prepared the following:<\/p>\n<ul>\n<li>Log in to CORETax using an authorized PIC account.<\/li>\n<li>Ensure that all Unified e-Bupot (BPPU) have been issued.<\/li>\n<li>Prepare NPWP data, tax period details, and supporting documents.<\/li>\n<\/ul>\n<p>Without e-Bupot, the system will not display any data in the <a href=\"https:\/\/voffice.co.id\/blog\/en\/what-is-spt-in-indonesia\/\">SPT<\/a>.<\/p>\n<h2>Steps to Create Unified e-Bupot (BPPU)<\/h2>\n<p>e-Bupot is the main foundation of SPT Unifikasi. The process starts from the <strong>e-Bupot &gt; BPPU<\/strong> menu.<\/p>\n<ol>\n<li>Click <strong>Create e-Bupot MP<\/strong>.<\/li>\n<li>Fill in the taxpayer\u2019s identity, tax period, and NITKU.<\/li>\n<li>Select the tax object and Income Tax type, then enter the withholding amount.<\/li>\n<li>Upload supporting documents if required.<\/li>\n<li>Submit and issue the withholding slip.<\/li>\n<\/ol>\n<p>Once issued, the e-Bupot data will automatically be integrated into the SPT Unifikasi.<\/p>\n<h2>How to Create an SPT Unifikasi Draft in Coretax<\/h2>\n<p>Go to the <strong>Tax Return (SPT)<\/strong> menu, then select <strong>Create SPT Draft<\/strong>.<\/p>\n<ul>\n<li>Select the SPT type: Unified Income Tax (PPh Unifikasi).<\/li>\n<li>Determine the tax period and tax year.<\/li>\n<li>Choose the SPT status: normal or amended.<\/li>\n<\/ul>\n<p>Review the Main Form, List I (BPPU), List II (self-paid Income Tax), and attachments before proceeding.<\/p>\n<p><strong>Read Also: <a href=\"https:\/\/voffice.co.id\/blog\/en\/how-to-cancel-unification-tax-withholding-slip\/\">How to Cancel a Unified Income Tax Withholding Slip in DJP Online<\/a><\/strong><\/p>\n<h2>SPT Unifikasi Filing and Payment Process<\/h2>\n<p>After the draft is completed, the system will adjust the process based on the SPT status.<\/p>\n<ul>\n<li><strong>Nil (Zero) SPT<\/strong> will be submitted immediately after electronic signature.<\/li>\n<li><strong>Underpaid SPT<\/strong> requires you to generate a billing code or use a tax deposit. Once payment is completed, the SPT will be automatically submitted.<\/li>\n<li><strong>Overpaid SPT<\/strong> requires manual verification and compensation management.<\/li>\n<\/ul>\n<h2>Common Mistakes When Filing SPT Unifikasi<\/h2>\n<p>Some common mistakes that often occur during SPT Unifikasi filing include:<\/p>\n<ul>\n<li>Creating an SPT before issuing e-Bupot.<\/li>\n<li>Selecting the wrong tax period.<\/li>\n<li>Billing codes expiring before payment is made.<\/li>\n<li>Withholding data not matching transaction evidence.<\/li>\n<\/ul>\n<p>These minor mistakes can cause the SPT to revert to draft status.<\/p>\n<p><strong>Read Also: <a href=\"https:\/\/voffice.co.id\/blog\/en\/how-to-correct-unified-income-tax-pph-unifikasi-a-complete-practical-guide\/\">How to Amend Unified Income Tax (PPh Unifikasi): A Complete &amp; Practical Guide<\/a><\/strong><\/p>\n<h2>Simplify Your Tax Reporting with vOffice<\/h2>\n<p>We understand that filing SPT Unifikasi in Coretax requires accuracy, regulatory knowledge, and time. If you want to focus on running your business without worrying about tax matters, <a href=\"https:\/\/voffice.co.id\/en\/services\/accounting-and-tax-reporting\"><strong>vOffice accounting and tax reporting services<\/strong><\/a> are the right solution.<\/p>\n<p>Supported by an experienced team of <a href=\"https:\/\/voffice.co.id\/en\/services\/tax\"><strong>vOffice tax consultants<\/strong><\/a>, we help ensure your SPT filing is accurate, timely, and compliant with DJP regulations. For business owners, consultants, and freelancers, vOffice is a strategic partner for simpler and more secure tax management.<\/p>\n<p style=\"text-align: center;\"><strong><a href=\"https:\/\/wa.me\/6285280069800?text=Hello!%20I%20would%20like%20to%20ask%20about%20tax%20and%20accounting%20services.%20I%20found%20you%20through%20the%20website%20(SEO)\" target=\"_blank\" rel=\"noopener nofollow\">Contact us for a FREE consultation!<\/a><\/strong><\/p>\n<p>&nbsp;<\/p>\n<h2>FAQ About SPT Unifikasi in Coretax<\/h2>\n<h3>Is SPT Unifikasi required to be filed every month?<\/h3>\n<p>Yes. If there is an Income Tax withholding obligation, SPT Unifikasi must be filed even if the status is nil.<\/p>\n<h3>Can e-Bupot be amended?<\/h3>\n<p>Yes. Amendments can be made before the SPT is submitted.<\/p>\n<h3>Are freelancers required to file SPT Unifikasi?<\/h3>\n<p>Yes, if they act as Income Tax withholders in accordance with applicable regulations.<\/p>\n<h3>What is the deadline for filing SPT Unifikasi?<\/h3>\n<p>No later than the 20th of the following month after the tax period ends.<br \/>\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is SPT Unifikasi required to be filed every month?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. 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