Guyana National Bureau of Standards |  Portal 

    Standards

    Specification for the labelling of retail packages of tobacco products
    Labelling of tobacco products
    Specification for brown sugar
    Specification for Gold articles
    Specification for Gold articles
    Requirements for advertising – Part 3: Advertising of cigarettes
    Labelling of tobacco products
    GYS IEC 61850-7-4 : 2003 Communication networks and systems in substations - Part 7-4: Basic communication structure for substation and feeder equipment - Compatible logical node classes and data classes