Look for the "Poryadok zapolneniya" (Order of filling) to avoid common mistakes in calculating rates and benefits.
The most reliable source for the latest templates and filling instructions is the official Social Fund of Russia website (sfr.gov.ru). skachat blank otcheta dlia fss
This is the current unified reporting form. You specifically need Section 2 , which covers insurance contributions for industrial accidents and occupational diseases (the old 4-FSS). Look for the "Poryadok zapolneniya" (Order of filling)
This is the direct successor to the 4-FSS form. skachat blank otcheta dlia fss
If you are using accounting software, you will need the electronic format specifications provided by the SFR.