If the player was banned for another unrelated reason (say for something he did the day before), then the regular rule violation ban will apply.
What are the odds for that to happen honestly? Even twice on entire org would be to much of a coincidence. There is no real difference between payment ban and any other ban reason at such convenient moment for the defender. If someones fleet is being locked, there is not a single justified reason for a ban that will actually save the fleet. Bans supposed to be punishments for breaching the rules and not rewards or a way out of fleet loss.
You must have missed this sentence:
It is an unfortunate set of circumstances which can happen as we are all human.