| − | |'''Added content''': [[PFAN_-_PFAN_Policy_Statements#6.28.1.9.1.2C_Medium_of_performance|Clarification of existing authority records.]]  | + | |'''Updated content''': [[PFAN_-_PFAN_Policy_Statements#6.28.1.9.1.2C_Medium_of_performance|Clarification of existing authority records.]]  |