Standard Practice for Installation of Ceiling Suspension Systems for Acoustical Tile and Lay-in Panels in Areas Subject to Earthquake Ground Motions seo-ignore BS 5383 specifies the requirements

BS 5383 specifies the requirements for material identification by continuous character marking and for the optional additional continuous colour coding of ferritic and austenitic steel tubes that are commonly used in piping systems

This may also include hold-open systems

NOTE See the Bibliography for the titles of the standards listed

it is not to be inferred from this that all recommendations made in this British Standard are unsuitable for more extreme conditions

Other topics include complaints handling and Non-Disclosure Agreements

Standard Practice for Installation of Ceiling Suspension Systems for Acoustical Tile and Lay-in Panels in Areas Subject to Earthquake Ground Motions seo-ignore BS 5383 specifies the requirements