Policy set to allow emergency access for non-facility subjects.
Returns Deny if user not from supported facility AND does not have emergency perm
Returns Permit if not from supported facility AND not denied access
Returns NotApplicable if plain old user from supported facility
If the subject is not from a supported facility AND
. if the subject does not have emergency permission THEN Deny access.
urn:va:xacml:2.0:interop:rsa8:hl7:pea-001
If a Deny was not obtained above AND subject not part of a supported
facility then subject must have emergency permission.