Section He-W 575.08 - Documentation(a) In accordance with He-W 520, the AAC provider shall maintain supporting records to substantiate claims submitted for reimbursement for a period of at least 6 years from the date of service or until the resolution of any legal action(s) commenced in the 6 year period, whichever is longer.(b) The AAC provider shall maintain records of equipment training and related support provided in accordance with He-W 575.03(c) above.N.H. Admin. Code § He-W 575.08