authorised danger restricted risk sign warning access-denied access-limitations advice alert appropriate-behavior appropriate-behaviour authorise authority building communicating communication denied electricity electricity-supply exceptions limitations limited limited-entry not-allowed not-permitted power power-supply prohibited prohibition regulations responsible restrictions warning-sign authorisation authorization avoid be-careful black care careful caution concern dangerous flammable gas gaseous no-ignition outlet potential red risks risky safety signs stay-clear vapour vapours warned white Australian cancelation cancelled citizen citizenship conditional conditions discontinued expired identification identity invalid no-entitlements no-longer-authorised no-longer-authorized non-valid out-of-date outdated passport past past-use-by-date personal-details unofficial unusable acceptable advising allocated allocation approved authorized automobiles behave carpark cars communicate information informing legal legality limited-parking management motor-cars no-liability parking protect protection safeguard security theft-risk vehicles vistors addition Australian-passport documentation documented international not-authorised not-authorized not-endorsed not-valid official overseas-travel restriction specific-North-Vietnam-restriction stamped travel travel-document access-limited arrow blue directive emergency emergency-vehicles entry-denied entry-prohibited limited-access no-access no-entry permission-denied authorised-approval authorized-approval behavior behaviour direction exception keep-out staff staff-approval staff-approved unauthorised unauthorized no-admission no-admittance red. restricted