Cal. Gov't Code § 66300.6.5
(a) For the purposes of this section, the following definitions apply:
(2)
(b) Notwithstanding paragraphs (1) and (2) of subdivision (b) of Section 66300.6, in the case of rehabilitation or replacement of an existing single-room occupancy building where units are deed restricted at affordable rents to low-income households, do not have separate bedrooms, and do not include both a complete private bath and a kitchen, an affected city or an affected county, as applicable, may reduce the number of required replacement units if it finds, based on substantial evidence in the record, that all of the following conditions are met:
(6)
(D) Subsequent rent increases shall be consistent with any other applicable law, contract, agreement, or other restrictions governing allowable rent increases, except that subsequent rent increases and maximum rents shall be subject to the following additional limitations:
(iii)
(ib) The amount of rent charged for the single-room occupancy unit at the time of the occupant’s displacement.
(7) The net loss of single-room occupancy units due to a rehabilitation or replacement in accordance with this section will not exceed 25 percent of the total single-room occupancy units in the development. Notwithstanding the preceding sentence, a project proponent may further reduce the number of units provided at the replacement project site if those additional units are replaced on a one-for-one basis, by either the project proponent or its designee. The offsite replacement housing shall meet all of the following conditions:
(D)
(i) Except as otherwise provided in clause (ii), the replacement units shall be located within the applicable of the following:
(8)
(A) Prior to the issuance of a permit for demolition, rehabilitation, or conversion of the single-room occupancy unit, the project proponent shall submit a replacement housing plan to the jurisdiction that includes all of the following:
(v) A plan for the replacement of the occupied and vacant single-room occupancy units, including, but not limited to, the following: