Join Date: Dec 2002
Location: Pleasant Prairie, WI USA DL FO (until 2/04), NW silver '03, NW gold '04+'05 Plat '06+ (thanks, Leo!), DL SkyClub
Programs: DL Plat/ Million Miler, AS, Hilton, Marriott Bonvoy, Piggly Wiggly Pig Points
Posts: 2,265
As I recall, PK certificates may be gratuitiously transferred but cannot be sold or bartered. I believe that's the only significant restriction.