Others have a more formal reason for the process. (theloftatlizs.com)
What is interesting in this case is how for all sorts of formal reasons a serious investigation may never take place! (climateaudit.org)
Luckily for my comfort, I haven't had too many very formal reasons to dress up, though friends keep egging me on to be more social (I suspect at least partially motivated by my designated driver status). (featherfactor.com)