Md. Code, Fam. Law § 10-347 : FAMILY LAW — SUPPORT IN GENERAL — MARYLAND UNIFORM INTERSTATE FAMILY SUPPORT ACT — REGISTRATION, ENFORCEMENT, AND MODIFICATION OF SUPPORT ORDER — CONTEST OF VALIDITY OR ENFORCEMENT —347 - Confirmed order TEXT PDF Confirmation of a registered support order, whether by operation of law or after notice and hearing, precludes further contest of the order with respect to any matter that could have been asserted at the time of registration. Md. Code, FL § 10-347 Amended by 2015 Md. Laws, Ch. 308,Sec. 2, eff. 7/1/2015.