Rules for adjusting payments to Central Government, Provincial Government, PSU and Private Institutions in accordance with DOPT & DPE guidelines. Payment adjustment rules need to be applied in a variety of situations. Although it is commonly used in the event of a promotion, there are various provisions for salary adjustments in the case of first appointment in the Public Service, re-appointment, re-appointment of a pensioner or salary adjustment after salary review etc. Payment adjustment below normal. The rules are governed by Constitution 22, commonly referred to as FR 22. Let's see what the various categories under them are.