Added alias to transformation parameter code 8802 (longitude of natural origin). Added prefix '6-degree ' to name of proj codes 16202-32 and 16302-32. Amended suffix from '[zone]N' to 'CM [cm][h]' in proj codes 16302-32. Amended scope and remarks to proj 16202-32, 16302-32 and 16361-68. Added additional alias to Vietnam projCRSs 2044-45. Deprecated projCRSs 2091-92 (Yemen), 2166-68 (Germany) and 2199 (Albania) and added replacements 2395-96, 2397-99 and 2462 respectively. Added additional alias to Argentina proj 18031-37, projCRSs 22191-97 and 2081-83. Amended scope, added alias and remarks to Russia projCRS 20004-32 and 28402-32. Deprecated Russia projCRSs 20064-92 and 28462-92 and added replacements 2463-2522.