(1) When a Semi-Automatic Stop signal is worked as an Automatic Stop signal, the provision prescribed under rule 113 shall apply.
(2) When a Semi-Automatic Stop signal is working as a manual Stop signal and it becomes defective, it may be passed according to the procedures prescribed under rule 211 and 212 as the case may be.
(3) When a Loco pilot is authorised to pass a Semi-Automatic Stop signal working in manual mode at 'ON' by taking 'OFF' the Calling-on signal fixed below it, the Station Master on duty and the Loco pilot shall follow additional precautions prescribed in 136.
Provided further that in case of modified semi-automatic Stop signal with 'A' marker extinguished, the Loco pilot shall follow sub clause (k) of sub-rule (2) of the rule 105.