https://www.gao.gov/products/122826

B-211001: Nov 15, 1983

A Marines Corps disbursing officer requested an advance decision as to whether a member was entitled to per diem expenses for a temporary duty combat-readiness assignment at an Army base. The temporary assignment travel orders authorized per diem except for days designated as field duty. At the temporary duty station, the participants were assigned living and dining quarters for the 2-week period...

https://www.gao.gov/products/482207

B-211001: Nov 15, 1983

NO PER DIEM AT ALL IS ORDINARILY PAYABLE FOR PERIODS OF AN ASSIGNMENT THAT ARE PROPERLY CLASSIFIED AS "FIELD DUTY. " SINCE ORDINARILY SERVICE MEMBERS HAVE NO ADDITIONAL LIVING EXPENSES DURING SUCH PERIODS. SUPERSEDED PROVISIONS IN THE JOINT TRAVEL REGULATIONS ARE NOT INTERPRETED AS MAKING SLEEPING AND SUBSISTENCE CONDITIONS THE SOLE CRITERIA FOR DETERMINING WHETHER FIELD DUTY IS INVOLVED BECAUSE T...