Code of Federal Regulations Title 41. Public Contracts and Property Management § 41.301–51.100 What method of payment must I use to procure common carrier transportation?

(a) $10 or less, and air excess baggage charges of $15 or less for each leg of a trip

A Government contractor-issued individually billed travel card or centrally billed account.

Use of the Government contractor-issued individually billed travel card is not accepted, its use is impracticable or special circumstances justify the use of a GTR.

(b) More than $10, but not more than $100

A Government contractor-issued individually billed travel card, centrally billed account, or GTR.

None of the other methods are practicable, you may use cash.

(c) More than $100

Only a Government contractor-issued individually billed travel card, centrally billed account, or GTR.

Your agency authorizes you to use a reduced fare for group, charter, or excursion arrangements or under emergency circumstances where the use of other methods is not possible.