Okla. Stat. tit. 42, § 42-172: Enforcement by civil actions - Limitations - Practice,

pleading and proceeding - Amendment of lien statement.

Any lien provided for by this chapter may be enforced by civil

action in the district court of the county in which the land is

situated, and such action shall be brought within one (1) year from

the time of the filing of said lien with the county clerk. The

practice, pleading and proceedings in such action shall conform to

the rules prescribed by the code of civil procedure as far as the

same may be applicable; and in case of action brought, any lien

statement may be amended by leave of court in furtherance of justice

as pleadings may be in any matter, except as to the amount claimed.

R.L. 1910, § 3873; Laws 1935, p. 226, § 1; Laws 1977, c. 207, § 13,

eff. Oct. 1, 1977.