I am not credited with a pension, because I cannot confirm the experience from the Donetsk region

In this case, you have the opportunity to confirm your seniority with witnesses.

According to the "Procedure for confirmation of the existing work experience for the appointment of pensions" in the absence of an employment book or relevant records in in the absence of documents about the existing work experience and the impossibility of obtaining them in connection with military operations, natural disasters, accidents, catastrophes or other emergency situations, the work experience that gives the right to a pension is established on the basis of the testimony of at least two witnesses who would knew the applicant through joint work with him at the same enterprise, institution, organization or in the same system.