Glossary

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Accounting Legend Code (ALC)
  • (ALC) A numeric code used within the COMSEC Material Control System to indicate the minimum accounting controls required for items of TSEC-nomenclatured COMSEC material. ALC categories are specified in NACS1 4005. (NCSC-9) NOTE: National-level ALCs are: a. ALC-1: Continuously accountable by serial number. b. ALC-2: Continuously accountable by quantity. c. ALC-4: Report of initial receipt required.
  • After acknowledging receipt, the COMSEC manager and users will control according to AFKAG-1 or Air Force Systems Security Instruction (AFSSI) 4005, respectively. (AF9K_JBC. TXT) Numeric code used to indicate the minimum accounting controls required for items of accountable COMSEC material within the COMSEC Material Control System.