while factory paint can be waxed - polished upon receipt of the car (factory poaint jobs dry faster and harder in general - plus shipping time of a few weeks minimum make this possible)
body shop paint needs time to cure.
you want to wait it out . . but the arguement becomes how long.
some say up to 90 days for traditional waxes to be applied . . .
personally, i would have absolutely no problem doing my car on about the 20 day mark - maybe even a week less . . . but being gentle is the key. i had my hood repainted in its entirety last summer - and waited 10 days - and quite honestly, it is the best looking part of my car now.
zaino will not inhibit the paint cure - or off gassing as it is sometimes referred to.
if i was using carnauba waxes - i would wait 30 days for sure (knowing what I know now) unless i had a top line premium product that I knew lots about.