Message

Response MUST NOT be provided when response is not expected.

Context
ccv:RequirementGroup[/espd:ESPDResponse][@pi='GROUP_FULFILLED.ON_FALSE'][normalize-space(../ccv:Requirement[1]/ccv:Response/ccv-cbc:Indicator) = 'true']//ccv:Requirement
Test
not(ccv:Response)
Usage
/ espd:ESPDResponse / ccv:Criterion / ccv:RequirementGroup / ccv:Requirement