12 January 2021: All valid Functional Area Checklists are listed alphabetically below. An "effective date" column was added to allow better sorting; effective dates depict new checklists, checklists with updates, and/or otherwise validated checklists by the functional area sponsor.
New Checklist(s): Marine Corps Field Bands (5000.18) and Voluntary Education (1560).
Updated Checklist(s): Unit Readiness (3000.13)[CoRE](Ref para update), Antiterrorism (3302)[CoRE], Casualty Affairs (3040)[CoRE], Cyber Security Management (5239)[CoRE] (NEW), Information and Personnel Security Program (IPSP)(5510.3)[CoRE], Reports Management (5214)[CoRE], Aviation Safety (3750) [Non-CoRE], Naval Air Training and Operating Procedures Standardization (NATOPS) (3710) [Non-CoRE], Assistance and Investigations Program (5370)[CoRE], Career Planning Program (1040)[CoRE], Aircrew Training Program (3500.14)[Non-CoRE], Family Advocacy Program (1754.11[Non-CoRE], USMC Criminal Investigation Division (USMC CID) Operations (5580.2)[CoRE], Law Enforcement Operations (5580)[CoRE], Government Travel Charge Card Program (GTCCP) (4600)[CoRE] (Format and Grammar update), Defense Travel System (DTS)(4650)[CoRE](Format and Grammar update), Substance Abuse Program (5300)[CoRE], Leave, Liberty and Administrative Absence (1050) [Non-CoRE], and Military Awards (1650)[CoRE] (NEW).
Removed Checklist(s): The following were removed because their accuracy was not confirmed by the respective Functional Area Sponsor: Lifelong Learning (1560); Engineer Equipment Maintenance (4790); Field Band (5000); Garrison Personal Property & Equipment (7320); Separation and Retirement (1900.1) and Limited Duty (1900.2) [combined in 1900.16], and Family Team Building (MCFTB)(1754.6), and Marine Corps Safety Program (5100.29)[CoRE](Until CY21 update is posted).
Note: New checklists and effected portions of updated checklists will be evaluated informally for a period of time before formal inspections from IGMC resume. This is typically 30-90 days depending on the complexity of the change(s).