Bydd Porthladd Rhydd yng Nghymru yn barth arbennig sydd â manteision o ran gweithdrefnau tollau symlach, rhyddhad ar dollau tramor, budd-daliadau treth, a hyblygrwydd datblygu.
A Welsh Freeport will be a special zone with the benefits of simplified customs procedures, relief on customs duties, tax benefits, and development flexibility.