Here is a list of the third party shopping carts T1 Payments NMI gateway integrates with.
Go under Design->Edit HTML/CSS->ExpressCheckoutChooseShipper.html snippet->and either above or under the form(the code you see in there between <form> and </form>) add your own text.
If they need instructions on how to add it to their cart page (#3 below) in Shopify below are the instructions: So for the descriptor, the first place to change this is from the Payment Gateway account itself. Since they are using a 3rd party payment gateway, it won't be done through Shopify's admin [...]
An Internet Payment Gateway is used to securely authorizes and process credit cards for e-commerce and brick and motor businesses. An Internet Payment Gateway can be integrated into a websites to process payments once your online customer has completed their shopping cart and are ready to check out and pay. The payment gateway securely encrypts [...]
Per the rules of the Patriot Act that went into effect in 2011, it is mandatory for all persons opening a merchant account to show either a valid US Drivers License or Valid Passport.
Yes you do have to have a US based business and bank account in order to set up a merchant account with T1 Payments.
If T1 Payments receives all the paperwork in our merchant application we can usually have you processing credit cards on the very same day.
T1 Payments merchants receive their deposits on the next business day. However, we do recommend checking with your bank or financial institute to make sure they release the funds on the same day we deposit into your account.