Charges for extra bags when flying ATN

How does one go about paying for fees for extra bags with flying ATN? Do you just hand over a credit card at check in?

We are used to dressing up for cruises and the casual approach on PG may come as a shock to us.

pay with a credit card

Bring less luggage! Consider the laundry package. Not dressing up is a great feature of the PG.

If you weren't already aware of it, the restrict weight of carry-ons when departing from LAX (they weigh them).