District of Columbia Code Division IV. Criminal Law and Procedure and Prisoners. § 24-263.02. Prohibited charges in government contracts.

In any contract to which the District is a party that is for the holding or incarceration of persons charged or convicted in the Superior Court of the District of Columbia, the contract shall prohibit surcharges, commissions, or other financial impositions that are in addition to the legally established rates for calls made by any incarcerated resident subject to the contract. The District government shall seek to obtain quality service for the least cost to the individual party paying for the telephone call by an incarcerated resident subject to the contract.