EPRIB...Looking at how strict the medical is, I would say that colour blindness would be a fail. Talk to Parc or HACS.
2XL...A staying allowance would be like an overnight allowance. It would have to be a fixed amount based upon which country the overnight was in, or, some airlines will offer a hourly rate, or, a block amount,eg
X$'s for 6hrs, X$'s for 12hrs and so on.
If you operated Osaka-Korea-Osaka and finish you are not overnighting.
Per diem's (daily allowance)however are an amount which one might recieve just to go to work. I guess you could get a per diem and an overnight allowance,but that would be decribed in their contract.
