def METHOD_NAME(business, change_filing_rec, party_info):
    party = create_party(business_id=business.id, party_info=party_info, create=False)
    for role_type in party_info.get('roles'):
        role_str = role_type.get('roleType', '').lower()
        role = {
            'roleType': role_str,
            'appointmentDate': role_type.get('appointmentDate', None),
            'cessationDate': role_type.get('cessationDate', None)
        }
        party_role = create_role(party=party, role_info=role)
        if party_role.role in [PartyRole.RoleTypes.COMPLETING_PARTY.value]:
            change_filing_rec.filing_party_roles.append(party_role)
        else:
            business.party_roles.append(party_role)