Regulation check

Mass Transportation Benefit Program (mtbp) reads like a Supply & Logistics question — these are the publications that govern it in each branch:

PublicationBranchTitleDateStatus
AR 710-2ArmySECONDARY ITEM POLICY AND RETAIL LEVEL MANAGEMENT2024-07-01Current
AFI 23-101 AFMC SupAir ForceMateriel Management Policy2021-12-10Current
MCO 4400.201 W/ CH-3Marine CorpsMANAGEMENT OF PROPERTY IN THE POSSESSION OF THE MARINE CORPS2025-05-21Current
DoDI 1000.27DoD-wideMass Transportation Benefit Program (MTBP)2008-10-28Current
NELLISAFBI 24-301Air ForceMass Transportation Benefit Program (Mtbp)2017-04-06Current
DODI 1000.27 DAFI 36-3901Air ForceMass Transportation Benefit Program (Mtbp)2026-05-12Current
DAFI 36-3901Air ForceMass Transportation Benefit Program (mtbp)2023-03-22Not in the current catalog
DAFPD 36-39Air ForceMass Transportation Benefit Program2023-01-11Current
Looking for an actual answer, not just the pub? Ask it as a question — free, and it quotes the regulation text where indexed.
Numbers match loosely — “ar670”, “AR 670-1”, and “670-1” all find the same pub. Every result shows its live status from the official catalog.