standard

"standard" means a document approved by a recognized body, that provides, for common and repeated use, rules, guidelines or characteristics for products or related processes and production methods, with which compliance is not mandatory; and which may also include or deal exclusively with terminology, symbols, packaging, marking or labelling requirements as they apply to a product, process or production method;
ACT 549 - STANDARDS OF MALAYSIA ACT 1996
2. Interpretation.