Microfilming of records must follow the Records Retention Schedule,

For microfilm retained as roll film, no more than one record series is permitted on each roll of microfilm.

For essential records that are microfilmed, there must be a security copy stored offsite.

The originals of records or source documents that have been microfilmed may be destroyed prior to the expiration of their retention periods only if the microfilm complies with these sections and in accordance with Government Code, Section .

After the completion of the production tests and inspections, original microfilm must not be unwound and used for any purpose except:

To produce copies of the film.

To carry out inspections, expunge or destroy records as identified in Texas State Library and Archives Commission “Microfilming Standards – ”, Sections 6.27, 6.32 and 6.33.

If a service provider is used for the filming, processing, and/or storage of official records, a written agreement must be in place to provide access in compliance with local, state, and federal laws or delivery of the records as needed by TxDOT and to allow inspections of microfilming facilities by Records Management, Records Administrator or Records Coordinators, or another authorized representative of TxDOT.

All microfilm produced before prior to 1997 is validated to the extent the microfilm was produced in the manner and according to the standards prescribed by prior law.