Shipping containers are not generally manufactured in Timor Leste. In most cases, containers are simply used to import and export goods, so they are rarely imported into Timor-Leste on a permanent bases. In other words, the container itself has not been declared to us, and the associated duties and taxes have not been paid. If you have declared the actual container to us, and paid the associated duty and tax then you can sell your container in Timor-Leste. If not, you must declare the container to us as an import first.