⚠️ From April 1, 2026, Technical Requirements for Electronic Signatures Change: How Businesses Should Prepare
From April 1, 2026, the Russian Federal Tax Service (FTS) is transitioning to new cryptographic standards for electronic interaction with taxpayers. This does not mean that “all signatures will stop working”, but it does mean something else: if a workstation does not meet the new requirements, failures may occur when sending and receiving documents. What is an electronic signature (ES) An electronic signature (often referred to as an ES or digital signature) is a digital counterpart of a handwritten signature. In business, it is used in the form of a qualified electronic signature (QES) for: filing tax and accounting reports; signing documents in EDI (electronic document interchange); interacting with government agencies; participating in tenders and contract work. A signature confirms: ✔ the identity of the signatory ✔ the integrity of…









