"This IG will support the HRex Decision point - REST searchable? when using RESTful endpoints to get payer resources (e.g., CQL rules and templates)."

This seems like an attempt to comply with the HRex expectation that all Da Vinci IGs will describe how they've navigated the HRex decision tree.  However, that's not really what's needed.  See CRD here for an example.  There are two primary architectural decisions to highlight the rationale for:

• using SMART as a primary mechanism for supporting DTR
• using an operation as a mechanism to retrieve the relevant Questionnaire (and other data)