Conformance requirements have been added in prior publication cycles  to support the date type searching for the following resource types based on various trackers in prior publication cycles:   Immunization CarePlan Goal MedicationRequest Patient Encounter Observation Condition DocumentReference DocumentReference Procedure DiagnosticReport for example for Condition: SHOULD  support searching using the combination of the  patient  and  onset-date  search parameters: DiagnosticReport SHALL  support searching using the combination of the  patient  and  category  and  date  search parameters: including support for these  date  comparators:  gt,lt,ge,le DocumentReference, SHALL  support searching using the combination of the  patient  and  category  and  date  search parameters: including support for these  date  comparators:  gt,lt,ge,le For more example refers to the quick start section for each profile.