Notice to Submitting Agencies. The Depository shall send a notice at least annually to submitting agencies, informing them of the requirements stated in Regulation .04. List of Materials Received. At least monthly, the Depository shall issue a list of all materials that it has received. Single copies of the list will be distributed on request, free of charge. The Depository may establish a subscription service for the list. The Department may charge subscribers a reasonable fee to cover the costs of postage and handling. Retention Policy. The Depository shall retain all materials received under this chapter for at least 5 years, unless the materials are clearly superseded by later editions. Time of Availability. The Depository shall make materials received under this chapter available within 30 days after receipt.