Whenever any public officer of any political subdivision or agency thereof, including home rule municipalities, other than counties of the first class or agencies thereof and cities of the first class or agencies thereof, is required or authorized by law or otherwise to record or copy any document, the officers may do so by any digital, photostatic, photographic, microphotographic, microfilm, microcard, miniature photographic, optical, electronic or other process which accurately reproduces the original and forms a durable medium for recording, storing and reproducing the original in accordance with standards, policies and procedures for the creation, maintenance, transmission or reproduction of images of records approved by the County or Local Government Records Committees, as applicable, but not less than those standards, policies and procedures approved by the National Institute of Standards and Technology. Any document within the scope of this section and which previously has been recorded or copied may be reproduced by processes authorized by this section.