The President shall hold office in terms a maximum of 8 months long, though they could be shorter if the AC calls for elections under its Article V, Section A authority. There are no term limits; the President may serve for as many consecutive terms as the voters will allow. At the end of an 8-month term, the call for new elections is automatically made and the ACC appoints a new Election Coordinator (EC) from the pool of STFers who are not running for any office. Terms are rounded to the nearest month -- all "regular" (non-crisis-based) elections are carried out in such a manner as the President is installed in the first week of a calendar month.
(What the first bit here means is that if President J.Q. Public serves 2 months before being called out for incompetance by the AC, but wins the subsequent election anyway, the next automatic election is another 8 months away, not 6.)