Okla. Stat. tit. 26, § 26-7-107: Empty ballot box - Tape verifying no counted votes

When all else is in readiness for the opening of the polls, the

inspector shall, in view of the judge, clerk and any registered

voters at the polling place, confirm that the ballot box is empty

and locked and shall cause the voting device to print out a paper

tape to verify that no votes have been counted. This tape shall

remain attached to the voting device and in evidence throughout the

voting process. The key or other device used for obtaining printed

totals shall be retained by the inspector.