Well this is interesting, because I have four that I was going to mail in yesterday that expire 2/28, after being told by an EXP desk agent on 1/15 to mail them in. I asked this question in December as well and was given the same answer, but waited to see if I was going to have a transcon in January.
But we didn't have a registered mail form in the office, so I was going to go to the post office on Saturday AM. Now??