Fiscal accumulator
Fiscal accumulator — a software-hardware cryptographic means of protecting fiscal data in a sealed casing, containing fiscal signature keys, ensuring the possibility of forming fiscal signatures, recording fiscal data in an uncorrectable manner (with fiscal signatures), their non-volatile long-term storage, checking fiscal signatures, decrypting and authenticating fiscal documents confirming the fact of receipt by the fiscal data operator of fiscal documents transmitted by the cash register equipment, sent to the cash register equipment by the fiscal data operator (hereinafter — operator confirmation), as well as ensuring the possibility of encrypting fiscal documents in order to ensure the confidentiality of information transmitted to the fiscal data operator, and performing other functions provided for by the legislation of the Russian Federation on the use of cash register equipment1.
Federal Law No. 54-FZ of May 22, 2003 "On the Use of Cash Register Equipment in Cash Transactions and (or) Transactions Using Payment Cards", as amended on March 1, 2025, Art. 1.1 // Official Gazette of the Russian Federation. 2003. No. 21. P. 1957. ↩