I’ve finally tracked down the files containing army correspondence relative to Fort Gibson, in Indian Territory, around the time that the Cherokee Nation raised funds for famine relief. Many of the letters are about troop movements, but the one I’m reading now is crabby about whoever is responsible for the fort’s finances:
You are mistaken in supposing that the regulation of July 12th, 1845 went into operation at Fort Gibson only from the date of its recipt at the post (August 10th). The Regulation, like an act of any legislature, takes effect from its date.
And:
The explanation in reference to the large amount paid for garden seeds is not entirely satisfactory.