(2) From and after August 30, 1998, the base rent for tenants occupying rental units which have received certain tenant-based or project-based rental assistance shall be as follows:
(A) With respect to tenant-based rental assistance:
(i) For any tenant receiving tenant-based rental assistance as of August 30, 1998 under a program that does not establish the tenant's share of base rent as a fixed percentage of a tenant's income, such as in the Housing Choice Voucher Program or the Over-FMR Tenancy program, and continuing to receive such tenant-based rental assistance thereafter, the initial base rent for each unit occupied by such tenant shall be the rent payable for that unit under the Housing Assistance Payments contract, as amended, between the San Francisco Housing Authority or the Human Services Agency and the landlord (the "HAP contract") with respect to that unit immediately prior to August 30, 1998 (the "HAP contract rent").
(ii) For any tenant receiving tenant-based rental assistance under a program that does not establish the tenant's share of base rent as a fixed percentage of a tenant's income, such as in the Housing Choice Voucher Program or the Over-FMR Tenancy program, and commencing occupancy of a rental unit after August 30, 1998, the initial base rent for each unit occupied by such a tenant shall be the HAP contract rent in effect as of the date the tenant commences occupancy of such unit.
(iii) For any tenant receiving rental assistance under the HOPWA rental subsidy program as of May 17, 2016, and continuing to receive such assistance under the HOPWA rental subsidy program thereafter, the initial base rent for each unit occupied by such tenant shall be the HAP Contract Rent in effect as of May 17, 2016.