Md. Code, Family Law § 10–207

(a) If the court sentences an individual who is convicted under § 10-201 or § 10-203 of this subtitle to the jurisdiction of the Division of Correction, the court may order the Commissioner of Correction:

(1) to deduct an amount from any earnings of the individual; and

(2) to pay that amount at certain intervals:

(i) as provided in § 10-202(c) of this subtitle, if the individual is convicted of nonsupport of the individual’s spouse under § 10-201 of this subtitle; or

(ii) as provided in § 10-204(c) of this subtitle, if the individual is convicted of nonsupport or desertion of the individual’s minor child under § 10-203 of this subtitle.

(b) During the defendant’s imprisonment, the court may modify or revoke the order.