Okla. Stat. tit. 42, § 42-113: Priority of mortgage liens - Liability of mortgagee

consenting in writing.

The lien herein provided for shall be subject to prior mortgage

liens, unless the holder thereof has received notice of the

intention of the threshing or combining of the grain or seed and

consented thereto in writing, after which the holder of such

mortgage lien shall become jointly liable with the owner of the

grain or seed for the expenses of threshing or combining of the

same.