Deprecated proj 18061-02 and projCRSs 2085-86; added replacements 18063-64 and 3795-96 respectively. For areas 1487-88, amended area of use and bounding box limits. Added tfm 15978. For tfm 1530 changed accuracy from 1 to 3m. For datums 6267 and 6269, amended remarks regarding replacment. For area 2032, added Cuba to description.