Once your Apple Developer Program and annual fee ($99) has been paid, your next step is to setup your Paid Applications Contract with the Apple App Store in order to setup your app subscriptions or single issue sales and receive payments.
Click on Agreements, Tax and Banking.
When you land on Agreements, Tax and Banking page, you will see all your contracts.
To get your iOS Paid Applications Contract setup, simply click on the blue Set Up buttons and complete the steps under the following sections.
a) Contact Info
b) Bank Info
c) Tax Info
Once Apple has approved your submissions, all your contracts will appear under the Contracts in Effect section.