No, the TA is not obligated but would be very foolish not to. However if he drop you are looking at is a Monday special you won't be entitled. If you are past final payent they no longer give price drops either.
Celebrity Constellation - March 17 followed by Celebrity Reflection - March 22
44 cruises - too many to list however cruiselines are in no particular order:
and some unknown tub
Yes, I'm a Royal Chump and proud of it.