Looks like you are in Banking or have banking related agreements. the arrangement you describe is often called a Joint Marketing Agreement, frequently in the contract itself.
Here is a banking related reference(s):
OCC Bulletin 2017-7 and OCC Bulletin 2013-29 (which all banking regulator are considering adopting as joint guidance - See FIL-50-2021):
"Before the bank enters into third-party relationships, senior management should develop a plan to manage the
relationship. The management plan should be commensurate with the level of risk and complexity of the
third-party relationship and should
...
* assesses the nature of customer interaction with the third party and the potential impact the relationship will have on the bank's customers-including access to or use of those customers' confidential information, joint marketing or franchising arrangements, complying with consumer protection laws, and handling of customer complaints-and outlines plans to manage these impacts."