S.L. 552.22 ст. 21Courtyards in pre- 1967 buildings.

Where a pre-1967 building includes a courtyard, which courtyard does not serve as a backyard, any proposed additional floors may be constructed without necessarily having the additional floors recessed back from the courtyard alignment as required by regulation 16(2), provided that a warranted engineer certifies that they are adequately ventilated and illuminated.