Section 531.8 - Amendment(a) NSAs may be amended by mutual agreement of the parties.(b) Where feasible, NSAs should be amended by amending only the affected specific term(s) or subterms.(c) Each time any part of an NSA is amended, a consecutive amendment number (up to three digits), beginning with the number "1" shall be assigned.(d) Each time any part of an NSA is amended, the "Effective Date" will be the date of the amendment or a future date agreed to by the parties.83 FR 34792, July 23, 2018 81 FR 59145, 10/1/2016; 82 FR 16297, 5/5/2017; 82 FR 16297, 5/5/2017; 83 FR 34792, 8/22/2018