Check with the company of exchange if there are weeks when filed and ending on the right of use. It may also happen that the weeks are locked up for a missed payment. Check if the complex is affiliated with a company trading check with the facility that the seller is the legal owner to sell a timeshare, if the week has a private document and this occurs with the property records of the area. Also check the legal status of the property and if there are debts. Controls the type of timeshare weeks perpetual or fixed or floating with a deadline in a given year, if they are points or weeks at a club.