Sec. 15. If all the subscribing witnesses to such deed shall also be dead or out of this state, the same may be proved before any court of record in this state, by proving the handwriting of the grantor, and of any subscribing witness thereto.
Mich. Comp. Laws § 565.15
Deed; failure to acknowledge; proof of handwriting where witnesses are unobtainable
R.S. 1846, Ch. 65; CL 1857, 2734; CL 1871, 4217; How. 5665; CL 1897, 8970; CL 1915, 11702; CL 1929, 13290; CL 1948, 565.15
Official source: Michigan Legislature. Reproduced from public-domain Michigan statutes; confirm against the official source for the current text. Not legal advice.