The only requirement for your visa/residence permit to be used as a supporting document is that it should be still valid (by date) by the time you enter Oman.
An e-Visa/ETA can be acquired effectively anyplace with a web association and it spares your time and effort instead of applying at the missions, embassies or at the ports.
Yes, you do. You need to print out only 1 copy for your eVisa/ETA.
You should contact our Support Experts for useful help.
Yes, of course. Each person must have a different eVisa/ETA.