(a) The division responsible for determining an obligation is owed the department shall cause a demand letter to be sent no later than 30 days after the obligation becomes delinquent. A notation shall be made that a copy is being sent to the attorney general who may file a lawsuit on the account.(b) Demand letters should be mailed in envelopes bearing the notation "address correction requested" and shall comply with applicable requirements for address verification in 39 Code of Federal Regulations §265(d). If an address correction is provided by the United States Postal Service, the demand letter should be sent to the corrected address prior to being referred to the attorney general for collection.(c) This section shall not apply to the collection of debts or overpayments arising out of the Child and Adult Care Food Program (CACFP), 7 CFR Part 226, or the Summer Food Service Program (SFSP), 7 CFR Part 225. CACFP collection procedures are set forth in 7 CFR §226.14. SFSP collection procedures are set forth in 7 CFR §225.12.