Originally Posted by
UnitedSkies
The number of passengers allowed per e-certificate discount will depend on the T&Cs of that particular e-certificate.
That's not the issue. He's not trying to apply the e-cert discount to both pax, rather he wants to have both pax on the same PNR while applying the e-cert to just one.
This is often possible on other airline sites with their certs, but UA does not have this capability on their website.