¹[454A. Power to prescribe alternative fittings, etc.-- Where this Act requires that a particular fitting, material, appliances or apparatus or any type thereof shall be fitted or provided for in a ship or that any particular provision shall be made in a ship, the Central Government after satisfying itself by trials or otherwise that any other fitting, material, appliance or apparatus or type thereof or provision is as effective as that so required, may permit, by general or special order, such other fitting, material, appliance or apparatus or type thereof or provision to be used or provided.]