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