VPRS 16321 Name Index Cards to Secretary's Correspondence, VPRS 421

This series was used to facilitate access to Secretary's Inward Correspondence filed in VPRS 421 Secretary's Inward Registered Correspondence, Annual Single Number System. Details included the registered file number, name of the correspondent/organisation and subject content of the letter.When correspondence was received at the Railway Department it was first registered in VPRS 12605 File Movement and Attachment Books, Annual Single Number System and then indexed by name in this series and by subject in VPRS 16322 Subject Index Cards to Secretary's Inward Registered Correspondence Files, Annual Single Number System.All correspondence was then filed in registration number order in VPRS 421 Secretary's Inward Registered Correspondence, Annual Single Number System.Previous Series:Until 1963 details about the inward correspondence received was recorded in Self-Indexing Register of Secretary's General Correspondence, Annual Single Number System, VPRS 12623 under sections identified by names of organisations/individuals or subject areas.