VERT_CS["Bhutan Vertical Datum 2022 height",
    VERT_DATUM["Bhutan Vertical Datum 2022",2005,
        AUTHORITY["EPSG","1451"]],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Gravity-related height",UP],
    AUTHORITY["EPSG","11338"]]