Section 83: Evidence of husbands and wives.

(1) Subject to this Part of this Act, all parties and the wives and husbands of all parties are competent and compellable witnesses in proceedings under this Act.
(2) Subject to subsection (3) of this section, in proceedings under this Act, a husband is competent, but not compellable, to disclose communications made between him and his wife during the marriage, and a wife is competent, but not compellable, to disclose communications made between her and her husband during the marriage.
(3) Where a husband and wife are both parties to proceedings under this Act each of them is competent and compellable to disclose communications made between them during the marriage.
(4) Subsections (2) and (3) of this section shall apply to communications made before, as well as to communications made on or after, the commencement of this Act.