§ 20-3-104 — Proving marriage, parenthood; spouses as witnesses; disclosure of confidential communications; desertion, neglect or refusal to support

No other or greater evidence is required to prove the marriage
of a husband and wife or that the defendant is the father or
mother of a child or children than is required to prove such
facts in a civil action. In a prosecution under this act no
statute or rule of law prohibiting the disclosure of
confidential communications between husband and wife shall
apply. Both husband and wife are competent witnesses to testify
against each other to any relevant matters including the fact of
marriage and the parentage of the child or children but neither
shall be compelled to give evidence incriminating himself or
herself. Proof of the desertion of the wife, child or children
in destitute or necessitous circumstances, or of the neglect or
refusal to provide for the support and maintenance of the wife,
child or children is prima facie evidence that the desertion,
neglect or refusal is willful.