Definitions
Maximum allowed stay at site, on a general basis, encoded as a ISO8601 duration or with any other string relevant for parking. An empty value or when non present indicates an indefinite duration
Maximum allowed stay at site encoded as a ISO8601 duration. An empty value indicates an indefinite duration.
Maximum allowed stay encoded as a ISO8601 duration. When non present or equals to the empty string it means indefinite. Applications _SHOULD_ inspect the value of this property at parent's level if it is not defined.