GlobalCharge
From TMM Wiki
Set up GlobalCharge in NATS
Billers Admin
Go to the Billers Admin, select GlobalCharge from the drop-down, and click Add. In the Client ID and Client Password fields, enter your Global Charge Client ID and Password.
Sites Admin
Go to the Sites Admin, edit or create a tour, and go to the Biller Details section. In the GLOBALC(id:X) Site ID field, enter the Site id that was provided by GlobalCharge for this site.
Next we need to create a special join option for GlobalCharge. Go to the Sites Admin and click the "Set Special Join Options" icon. In the form at the bottom select GlobalCharge, enter the Join Form Text, and enter the Biller Code (provided by GlobalCharge) for this site.