What we had experience is that when I purchased an online ticket with Etihad, I called their Doha office and inform me to send through email the colored picture of my original ID and credit card. Then after 30 minutes they call me to confirm that they had received. This is due that I am not the one who will travel but if the cardholder will travel with you, I dont think that you need to have a color copy as you can show them the original card when you checken in. I bought a ticket Manila-Doha and the passenger is my friend and not myself.
What we had experience is that when I purchased an online ticket with Etihad, I called their Doha office and inform me to send through email the colored picture of my original ID and credit card. Then after 30 minutes they call me to confirm that they had received. This is due that I am not the one who will travel but if the cardholder will travel with you, I dont think that you need to have a color copy as you can show them the original card when you checken in. I bought a ticket Manila-Doha and the passenger is my friend and not myself.