Each credit union shall keep sufficient books and accounts in such form as shall be approved by the Commissioner of Banking and Consumer Finance in accordance with the NCUA guidelines. However, any state credit union may cause any or all records, books and accounts at any time in its custody to be reproduced in a format of storage commonly used, whether electronic, imaged, magnetic, microphotographic, or otherwise, and any reproduction so made shall have the same force and effect as the original thereof and be admitted in evidence equally with the original.