Subchapter I. Office on Aging and Commission on Aging. Part A. Purpose. §§ 7-501.01 – 7-501.01 Part B. Definitions. §§ 7-502.01 – 7-502.01 Part C. Department of Aging and Community Living. §§ 7-503.01 – 7-503.21 Part D. Commission on Aging. §§ 7-504.01 – 7-504.10