Maryland Family Law Section 10-328

      (a)      The physical presence of the plaintiff in a responding tribunal of this State is not required for the establishment, enforcement, or modification of a support order or the rendition of a judgment determining parentage.

      (b)      A verified complaint, affidavit, document substantially complying with federally mandated forms, and a document incorporated by reference in any of them, not excluded under the hearsay rule if given in person, is admissible in evidence if given under oath by a party or witness residing in another state.

      (c)      A copy of the record of child support payments certified as a true copy of the original by the custodian of the record may be forwarded to a responding tribunal. The copy is evidence of facts asserted in it, and is admissible to show whether payments were made.

      (d)      Copies of bills for testing for parentage, and for prenatal and postnatal health care of the mother and child, furnished to the adverse party at least 10 days before trial, are admissible in evidence to prove the amount of the charges billed and that the charges were reasonable, necessary, and customary.

      (e)      Documentary evidence transmitted from another state to a tribunal of this State by telephone, telecopier, or other means that do not provide an original writing may not be excluded from evidence on an objection based on the means of transmission unless the documentary evidence is shown to vary in a substantial or relevant manner from the original.

      (f)      In a proceeding under this subtitle, a tribunal of this State may permit a party or witness residing in another state to be deposed or to testify by telephone, audiovisual means, or other electronic means at a designated tribunal or other location in that state. A tribunal of this State shall cooperate with tribunals of other states in designating an appropriate location for the deposition or testimony.

      (g)      Laws attaching a privilege against the disclosure of communications between husband and wife do not apply to proceedings under this subtitle.

      (h)      In proceedings under this subtitle, husband and wife are competent witnesses and may be compelled to testify to any relevant matter, including marriage and parentage.