On 16 December 2022, the Bulgarian official gazette published the text of the multilateral competent authority agreement on automatic exchange of information on income derived through digital platforms (DPI-MCAA). It was signed on 9 November 2022.

The Bulgarian Council of Ministers approved the DPI-MCAA by way of Decision No. 867 of 2 November 2022 and the finance minister was subsequently approved to sign the declaration of accession on behalf of Bulgaria.