It shall be the duty of the clerk to countersign all warrants for school monies drawn upon the treasurer by the board of education and perform such other duties as required by law or as the board of education or its committees may require.
The clerk of the board of education of any school district is hereby authorized to destroy all claims, warrants, contracts, purchase orders and any other financial records, or documents, including those relating to school activity funds, on file or stored in the offices of the board of education of such district for a period of longer than five (5) years.
Okla. Stat. tit. 70, § 5-122