We wish to recommend you to check, before you leave, at Consular Section at East Timor Embassy abroad, if the conditions for entry and stay there did not changed in the meantime.
The entry visas are granted, free of charge, directly on arrival, at the airport of Dili, capital of East Timor. You are obliged to fill in carefully so called passport list and keep it in passport within all period of your stay in the country. The second part of this list is delivered to passport officers in a moment when you leave the country.
Information and warnings on travelling abroad is to be found HERE.