This is the ValueSet that contains all the codes in PAS Information Change Mode Value Set (http://hl7.org/fhir/us/davinci-pas/ValueSet/PASInformationChangeMode) and PAS Information Change Mode Value Set (http://hl7.org/fhir/us/davinci-pas/ValueSet/PASInformationChangeMode). E.g. what you have to deal with if you get resources containing codes in either of them