Which information is always given in an abbreviated departure clearance?

For planning purposes, what are the compulsory reporting points when using VOR/DME or VORTAC fixes to define a direct route not on established airways?

Which report should be made to ATC without a specific request when not in radar contact?

For aircraft other than helicopters, is an alternate airport required for an IFR flight to ATL (Atlanta Hartsfield) if the proposed ETA is 1930Z?

TAF KATL 121720Z 121818 20012KT 5SM HZ BKN030
FM2000 3SM TSRA OVC025CB
FM2200 33015G20KT P6SM BKN015 OVC040 BECMG 0608 02008KT BKN 040 BECMG 1012 00000KT P6SM CLR=

Which procedure should you follow if you experience two way communications failure while holding at a holding fix with an EFC time? (The holding fix is not the same as the approach fix.)