Acars, ADS, Atlantic Clearance Procedure

[Bird380]

Hi, I was wondering if there is some document for on the title mentioned above. Specially what format is used to get oceanic clearance, and departure clearance. Secondly do we need to know the DM codes!!?? Thanks

[Dave Clarke Fife]

Will this do for starters.......http://www.paris.icao.int/documents_open/download.php?maincategory=106&subcategory=124&file=NAT%20OPS%20Bulletin%202010_006.pdf