The permision is not very dificult, and is only required for comercial proyects:
In the link there is the e-mail of the people in charge of this.
All them are consideres historical monuments, and the images, property of the nation.
However, most experts consider these numbers to be overstated. For example, the sheer logistics associated with sacrificing 84,000 victims would be overwhelming, mos historia asume the aztec put a few extra zeroes as propaganda...
the arqueological excavation have revelead a few hundred sacrifices, far from the thousands claimed...
by comparition, in Auswtiz with their four gass chambers wrking 24 a day, they could execute about 4,000 prisioners a day...
The Tlaxcaltecas also killed and sacrifice Aztecs... Theyre power was very similar, it required only a small force to push de balance... that force was Cortez.
At the end, germs killed much more aztecs and Tlaxcaltecas than the war.
Trivia. The aztecs.... called themsleves meshicas... their gods had forbiten to call themselves aztecs...
This is contemplated in the federal law about Monuments and Archeological, artistics, and historic sites. It is not exactly a question of copyright, but those images are considered "property of the nation".
Ussually the fees are not very high, but depends on the use of the images. Since this was part of a comercial product, the INAH has to autorize its use, and charge a fee, used for conservation of the monuments. The problem is that the design company that sold the images to starbuck should have request permision to the INAH first. There are no penalties involved.
The permisions can be requested here:
If you took a photograph nad use it for personal or divulgation, there is no problem, but if you used them for a comercial purpose you need permision.
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