Reprocessing Tax at Structures

[Qia_Kare]

This is as close to an authoritative answer as I’ve been able to find:

Citadel reprocessing tax (Show your work)

I suspect the prices will come out of the market/prices endpoint on ESI. https://esi.tech.ccp.is/latest/#!/Market/get_markets_prices Probably the adjusted one. They’re dynamic, based off a global 28 day rolling average (but adjusted to prevent manipulation)