Guyana National Bureau of Standards |  Portal 

    Standards

    Code of Practice for production of rice
    Code of Practice for fresh fruits and vegetables
    Specification for Grades of watermelons
    Specification for the labelling of retail packages of tobacco products
    Labelling of tobacco products
    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