Okla. Stat. tit. 26, § 26-5-129: Answer to contest - Deposit required

Should the contestee desire to appear in answer to said contest,

said contestee shall be required, at the time of filing his answer,

or, if no answer is filed, at the time of his appearance, to deposit

with the secretary of the election board a cashier's check or

certified check in the same amount as that filed by the petitioner.