Understanding VAT Law and Tax Due Dates in Oman

The Sultanate of Oman introduced significant changes to its Value Added Tax (VAT) framework with the enactment of Royal Decree No. 121/2020. This comprehensive decree outlines various provisions regarding the determination of tax liability, with specific emphasis on the timing of tax dues. Understanding these provisions is crucial for businesses and tax professionals in Oman to ensure compliance and avoid any penalties. 
Here, we explore the key articles that detail the tax due dates for both goods and services. 

Tax Due on the Import of Goods (Article 25 & Article 29) 

Oman’s VAT Law establishes clear guidelines for determining when tax becomes due upon the importation of goods. According to Article 25, the tax due on the import of goods occurs under the following two circumstances: 

  1. First Point of Entry: The Sultanate of Oman is considered the place of import if it is the first point of entry for the goods. 
  2. Release from Suspension: If goods are subject to a suspension scheme for customs duties under the Common Customs Law, the tax is due at the time of their release from suspension within the Sultanate. 

Article 29 further reinforces this by outlining the tax due upon importation, specifying that the tax due date can depend on several factors, including: 

  • The date of importation of goods
  • The date the goods arrive at the first point of entry in Oman, as per the Common Customs Law 
  • The date when goods are released after customs duties have been suspended 

These provisions ensure that VAT on imported goods is applied promptly, depending on the specific circumstances surrounding the goods’ arrival and clearance. 

Tax Due on Goods and Services (Article 26)

The VAT due on the supply of goods or services is governed by Article 26, which states that the tax becomes due on the earliest of the following dates: 

  1. Date of Supply: When the goods or services are supplied. 
  2. Date of Tax Invoice Issuance: The date the tax invoice is issued. 
  3. Date of Payment: When the full or partial payment is received for the supply. 

This provision ensures that businesses are clear on when to apply VAT, depending on the timing of the transaction—whether it’s the supply, invoice issuance, or receipt of payment. 

Tax on Successive Payments (Article 27) 

Article 27 provides further clarity on transactions that involve successive payments. For such transactions, the tax is due on the date of payment as specified in the invoice or on the date of actual payment. Additionally, VAT must be reported at least once every 12 months, making it crucial for businesses involved in such transactions to stay vigilant about the timing of their tax obligations. 

Prepaid Calling Cards and Vouchers (Article 28) 

Special provisions are made for certain types of goods, such as prepaid calling cards or vouchers, in Article 28. The tax due date for these items is determined by the regulations outlined by the authorities. Businesses dealing with such supplies must ensure they follow the regulations closely to meet their tax obligations accurately. 

Tax Due on Issued Invoices (Article 30) 

Article 30 of the decree states that when a business issues an invoice containing a recorded amount of VAT, the tax becomes due on the date of issuance of that invoice. This ensures clarity for businesses on when to remit VAT for invoiced transactions, even before payments are made. 

Conclusion 

The provisions in the Royal Decree No. 121/2020 provide a clear and structured framework for determining when VAT becomes due in Oman. By understanding the timing of VAT obligations on imports, supplies, and invoiced transactions, businesses can ensure they remain compliant with Omani VAT law. As VAT becomes an integral part of the tax landscape in Oman, businesses are advised to stay updated with any regulatory changes that may further impact tax due dates.

summary

Royal Decree No. 121/2020 of Oman outlines the key provisions for VAT due dates, providing clarity on when tax becomes due for goods and services. Tax is due on imports when the Sultanate is the first point of entry or when goods are released from customs duty suspension. For the supply of goods and services, VAT is due on the earliest of the supply date, invoice issuance date, or when payment is received. Special rules apply to transactions with successive payments, prepaid calling cards, and vouchers. Additionally, VAT is due on the date an invoice is issued. These provisions help businesses ensure timely VAT compliance. 

Disclaimer:
The Content offer general guidance and should not be considered legal, financial, or tax advice. Consult qualified professionals for personalized guidance. While efforts have been made to ensure accuracy, no guarantee is provided for completeness or applicability to individual situations. Users are responsible for their interpretation and actions based on this information, at their own risk.

For understanding more about Corporate Tax, VAT, Excise Tax, Financial Services, Advisory Services, reach out to us on: contact@acme-group.me |+971 52 740 1169

This article was published on 19 May 2025.

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