MIL-STD-1529 (NOTICE 2), MILITARY STANDARD: VENDOR SUBSTANTIATION FOR AEROSPACE PROPULSION SYSTEM ITEMS (30 SEP 1988) [NO S/S DOCUMENT]., MIL-STD-1529 dated 24 August 1972 and Notice 1 dated 28 February 1973, have been reviewed and determined to be valid for use in acquisition.