05/30/1929
https://www.presidency.ucsb.edu...
"No draft drawn by a Foreign Service officer who has resigned, retired, or for any other cause become separated from the service will be paid."
"Any obligations incurred prior to the date of retirement or separation from the service for which expenditures from official funds have not been made, and all obligations incurred subsequent to such d..."
"Accounts and claims for services of this kind should therefore be submitted to the Secretary of State for adjudication and transmission to the General Accounting Office."
"Payment from official funds may be made for all obligations, including those for transportation, incurred prior to the date of retirement or separation from the service of the officer, provided paymen..."