The following items are called “Ineligible Commodities.” These cannot be purchased with USG money. If you ask for permission from them, you won’t get it.
(These are things we would be very unlikely to purchase anyway, but it can’t hurt to list them for you.)
Military Equipment
Surveillance Equipment
Commodities and Services for Support of Police and Other Law Enforcement Activities
Abortion Equipment and Services
Luxury Goods
Gambling Equipment
Weather Modification Equipment