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14.3. Calendar of Important Compliance Events

Tax Year

The tax year in Bulgaria is the calendar year, 1 January to 31 December. Alternative tax years are not allowed.

Tax Return Filing

Effective 1 January 2021, the annual tax returns are required to be filed by 30 June (currently 31 March) following the close of the previous tax year. Further, taxpayers can file an amended tax return by 30 September of the year in which the initial return was filed, without submitting a written correction request to the tax authority.

In case the errors relate to past years, the taxpayer is required to file a written request with the National Revenue Agency, and steps for correction are required to be taken within 30 days of the filing of such request.

Tax Payments

Companies in Bulgaria are required to make advanced payments based on the current year's estimated tax liability.

Currently, for companies exceeding BGN 3 million in revenue in the previous year, monthly payments are due in the current month. For companies with revenue not exceeding BGN 3 million in the previous year, quarterly payments are due on the 15th of the month following the quarter, with no payment in the fourth quarter. The due date for advance tax installment is changed from 15 December to 1 December for monthly and quarterly payments.

The final payment is due by 31 March with the tax return.

Tax assessed by the tax authorities is due within 14 days of providing the taxpayer with the notice of assessment.

Effective 1 January 2021, the advance tax installments are as follows:

  • Declarations on adjustments (i.e., increase/decrease) are due by 15 November of the current year; and
  • Declarations on expected profits for installment purposes for the current year are due between 1 March and 15 April of the current year (earlier included as part of the annual tax return).

Availability of E-Filing

E-filing is available with a universal electronic signature. Site: http://www.nap.bg/ospage?id=544&lang=en

Effective 1 January 2018, e-filing is mandatory for corporate taxpayers.