07.09.2026..
- Submission of notifications on concluded contracts for the performance of pop and folk music entertainment programs and other entertainment programs in August, on Form OZU.
- Submission of the report on the fulfillment of the obligation to employ persons with disabilities on Form IOSI for August, and payment of funds.
10.09.2026.
- Filing of the tax return for non-life insurance premiums on Form PP-PPNO and payment of the tax on non-life insurance premiums for August.
- Filing of the Value Added Tax (VAT) return on Form PPPDV and payment of VAT for August by the tax debtor referred to in Article 10 of the VAT Law.
15.09.2026.
- Payment of the advance tax on income from self-employment for August .
- Payment of advance contributions on income from self-employment for August .
- Payment of contributions for priests and religious officials, domestic citizens employed abroad, and foreign pensioners for August .
- Payment of the advance tax on income from self-employment for August.
- Payment of advance contributions on income from self-employment for August.
- Payment of contributions for priests and religious officials, domestic citizens employed abroad, and foreign pensioners for August.
- Filing of the tax return for calculated mandatory social security contributions for founders, i.e., members of a company, on Form PP OD-O, and payment of mandatory social security contributions for August.
- Filing of the VAT return on Form PPPDV and payment of VAT for August.
- Submission of Form PID PDV 1 for August if one of the criteria for acquiring the status of a VAT taxpayer predominantly supplying goods abroad was met in that month.
- Payment of the advance corporate income tax for August.
- Filing of the tax return for the calculation of excise duties for the period from August 16 to 31 on Form PP OA, and payment of the calculated excise duty.
- Filing of the tax return for the calculation of excise duty on electricity for final consumption and/or compressed natural gas used as motor fuel for August on Form PP OAELKPG, and payment of the excise duty.
30.09.2026.
- Filing of the tax return on Form PPP-PD and payment of mandatory social security contributions, calculated on the lowest monthly contribution base, for unpaid wages for August.
- Filing of the tax return for the calculation of excise duties for the period from September 1 to 15 on Form PP OA, and payment of the calculated excise duty.