per month for each rental unit unless agreed upon in writing by a landlord and a tenant. If the surcharge, as calculated under the above formula, would exceed $55.00 per month, then the surcharge period of six (6) years may be extended until the allowable capital improvement expenses are recovered. This surcharge shall not be included as part of the Maximum Adjusted Rent for purposes of calculating the automatic rent adjustment pursuant to Section 151.06 D. Any capital improvement rent increase or surcharge approved by the Department shall terminate if the Department determines that there has been a complete failure of a capital improvement. The Commission may adopt regulations to implement this provision. For the purposes of this provision, Seismic Retrofit Work shall not qualify as a Capital Improvement. EXCEPTION: This paragraph shall not apply in the following circumstances: If the rental unit is the subject of a notice of noncompliance sent to the Franchise Tax Board pursuant to Section 17274 of the Revenue and Taxation Code, and the work is to correct the violations that were the subject of the Notice. If the rental unit is the subject of a notice of rent reduction or a notice of acceptance into the Rent Escrow Account Program issued pursuant to Section 162.00, et seq. of this Code, and the work is to correct the conditions that caused the placement. If the rental unit is the subject of a criminal conviction related to the landlord’s failure to comply with a citation or order issued by the Department, the Department of Building and Safety, Fire Department, or Department of Health with respect to the subject rental unit, and the work is to correct the conditions that caused the conviction. b. That on or after April 1, 1978, the landlord has completed rehabilitation work with respect to a rental unit and has not increased the rent to reflect the cost of the improvement. If the Department so finds, the landlord shall be entitled to a permanent monthly rent increase of 1/60th of the average per unit rehabilitation cost; provided, however, any rehabilitation work begun prior to June 1, 1982, shall be entitled to rent increases of 1/36 of the average per unit rehabilitation cost. Moreover, any rental adjustment for rehabilitation work granted by the Department between February 13, 1981 and May 31, 1982, shall terminate after 3 years.