I believe the Ixal daily quest "Highwind in Ishgard" also has some references to the restrictions placed on trade to and from the city.
V'aleera's Wiki - https://wiki.ffxiv-roleplayers.com/pages...eera_Lhuil
V'aleera's Tumblr - valeeralhuil.tumblr.com
V'aleera's Tumblr - valeeralhuil.tumblr.com