Oracle Career Site - Use "Back" button when on a requisition to redirect to external vendor site

Since Oracle does not currently support Salary Transparency, we are using a third party vendor to display this field through a DFF in the requisitions in the third party site. However, this DFF is not picked up by the External Career Site.
When candidates apply to a requisition using the third party site, they are directed to the Oracle External Career Site. However, candidates also have a button to navigate out of the requisition to browse the entire Career Site, which is not compliant with out current Salary Transparency requirements.
We would like to change the back button on a requisition to redirect the candidate to our Third Party Vendor Career Site, and thus avoid candidates going through requisitions non-compliant with the Salary Transparency requirements.