By DEREK GATOPOULOSATHENS, Greece (AP) — With a pristine white exterior, the Greece tax authority’s new headquarters looks out of place on a clogged industrial artery outside Athens. Greece’s tax system — once a byword for inefficiency — has been rewired by technology. “We worked systematically over the years, with dedication,” Giorgos Pitsilis, governor of the revenue authority, told the AP. (AP Photo/Thanassis Stavrakis)The building of the Independent Authority for Public Revenue headquarters (AADE) in Athens, Greece, Tuesday, Sept. 16, 2025. About 70% of his sales are now electronic — all transactions are instantly referred to the tax authority.