A document on company letterhead detailing monthly earnings. 2-NDFL Certificate: The standard tax reporting form.
You can still request a salary certificate from your current or former employer. In the absence of a unified form, employers typically provide: spravka o zarplate dlja fss blank
If you are drafting a request or a free-form certificate for a specific purpose (like a visa or bank loan), it should include: A document on company letterhead detailing monthly earnings