In Reply to: Garuda re-confirm flights,luggage allow? posted by balidream on Sunday, 31. May 2009 at 08:49 Bali Time:
http://www.garuda-indonesia.com/before-flying/essential-information/baggage-information
Reconfirmation hasn't been necessary for a few years but probably best to do so and give Bali contact for any flight changes or delays.