"Return Home" free access deactivated six days before scheduled end of event.

[adamant]

It says on the campaign guide page:

"Reactivating an eligible account and resuming payments during the campaign will void campaign eligibility for all characters on the service account."

Source: http://www.playonline.com/ff11us/campaign/wcb/

I didn't though. I've been subbed for awhile. Nothing got reactivated or resumed during the campaign.