Method for specifying single, double or multilayer electrodeposited coatings on metallic and non-metallic materials. Excludes coatings containing less than 58.5% pure gold by mass and those on screw threads or unfabricated sheet or strip.Cross References:BS 2011:Part 2.1T Test TBS 3315BS 4292:Part 1BS 5411:Part 1BS 5411:Part 5BS 5411:Part 6BS 6001:Part 1BS 6001:Part 2BS 6001:Part 3BS 6041BS 6670:Part 1BS 6670:Part 2BS 6670:Part 3BS 6670:Part 4BS 6670:Part 5BS 6670:Part 6Hallmarking Act 1973