Start with a single tower, not with the emirate
Picture a one bedroom apartment in an Abu Dhabi tower that its owner hopes to let to visitors for short stays. The owner has seen Dubai holiday home adverts and assumes the same paperwork will work across the border. That assumption is the first thing to drop. Abu Dhabi runs its own tourism system, its own licence paperwork, its own classification checks and its own tower consent practices, and none of those documents travels from Dubai.
In practical terms the owner faces three separate conversations. One is with Abu Dhabi's tourism authority about licensing the unit as a holiday home. A second is with the tower's management about whether visitors may stay short term in that building and on what terms. A third is about money: which Abu Dhabi charges apply to a short stay, who collects them, and how they are reported. Until all three conversations have produced documents, the unit is not ready, however attractive the listing photographs look.
That three conversation picture is the whole guide in miniature. Everything that follows unpacks one conversation at a time, and each part ends with the document an owner should hold before moving on. No figure for a fee or a charge appears here, because Abu Dhabi sets those figures itself and changes them from time to time, so only its current pages can be trusted for numbers.