(3) Authorising entry upon a reserve by specified persons or classes of persons for specified objects, and defining those objects, and the conditions under which such persons may visit or remain upon a reserve, and fixing the duration of their stay thereupon, and providing for the revocation of such authority in any case; (humanrights.gov.au)
Currently, XP will scale up when playing longer or fixed duration activities like Crucible competitive multiplayer matches and the Leviathan Raid, and XP will scale down when playing activities that can be quickly, repeatedly chained, like grinding Public Events. (wccftech.com)
This is done by having valves that do not open for a fixed duration across the rev range and in all conditions. (mechanics.stackexchange.com)