Pay for services using a Credit Card or Government Procurement Card Pay for services using a Credit Card or Government Procurement Card HIS Sign Online Payment Page To make an on-line payment please complete the following: Company Name Required Invoice Number Required Service Date Required Amount Required Cardholder First Name Required Cardholder Last Name Required Billing Address Required Apartment or Suite Optional Billing City Required Billing State or Province Required Billing Postal/Zip Code Required Day Time Phone Number Required Email Required