Okla. Stat. tit. 15, § 15-167: Written and original parts control

Where a contract is partly written and partly printed, or where

part of it is written or printed under the special directions of the

parties, and with a special view to their intention, and the

remainder is copied from a form originally prepared without special

reference to the particular parties and particular contract in

question the written parts control the printed parts, and the parts

which are purely original control those which are copied from a

form. And if the two are absolutely repugnant, the latter must be

so far disregarded.