This International Standard specifies the cutting and per-forating dimensions for 35 mm motion-picture raw stock with three rows of 16 mm perforations in positions 1-3-0, as well as the width of the 16 mm strip after processing and slitting the print stock.
BS ISO 3022:1988 history
1996BS ISO 3022:1996 Cinematography. 35 mm motion-picture film perforated 16 mm (1-3-0). Cutting and perforating dimensions
1996BS ISO 3022:1988 Cinematography - 35 mm motion-picture film perforated 16 mm (1-3-0) - Cutting and perforating dimensions