NameCard.TypeConstraints and Usage
.  Consent 0..* Consent dom-2: If the resource is contained in another resource, it SHALL NOT contain nested Resources
dom-3: If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource
dom-4: If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated
dom-5: If a resource is contained in another resource, it SHALL NOT have a security label
dom-6: A resource should have narrative for robust management
ppc-1: Either a Policy or PolicyRule
ppc-2: IF Scope=privacy, there must be a patient
ppc-3: IF Scope=research, there must be a patient
ppc-4: IF Scope=adr, there must be a patient
ppc-5: IF Scope=treatment, there must be a patient
Definition:
A record of a healthcare consumer’s choices, which permits or denies identified recipient(s) or recipient role(s) to perform one or more actions within a given policy context, for specific purposes and periods of time.


Comments:
Broadly, there are 3 key areas of consent for patients: Consent around sharing information (aka Privacy Consent Directive - Authorization to Collect, Use, or Disclose information), consent for specific treatment, or kinds of treatment, and general advance care directives.