Section 22-354 - Sentence to pay fine; custody and release of defendantA. When a sentence is pronounced imposing a fine and ordering defendant imprisoned until the fine is paid, he shall be held in custody during the time specified in the sentence unless the fine is sooner paid.B. Upon payment of the fine or completion of the time specified in the sentence of imprisonment, the officer having custody of defendant shall discharge him if he is not detained for any other legal cause.C. The court shall enter on its records the discharges and the reason therefor.