Coverage as a qualified disabled and working individual will coincide with the effective date of enrollment in Part A, as allowed under section 1818A of the Social Security Act ( 42 U.S.C. §1395 i - 2(a) and determined by the Social Security Administration but not earlier than the first day of the three months prior to the month the application is received by the department.
Haw. Code R. § 17-1722-29