Section 20 in The Vizagapatnam Harbour Craft Rules, 1950
20. Attention to certain signals required of tindals.
- The owner of every licensed harbour craft shall instruct the tindal of such harbour craft to pay immediate attention to the harbour craft muster flag a square blue flag with four parallel red bars running crosswise which will be displayed on the Port Flagstaff when the Deputy Port Conservator desires to carry out an inspection under Rule 11.
