After launching a new tax platform, Portland officials said they immediately heard from neighboring agencies who wanted to use it, too.

The county, which includes Chicago, expanded a new software platform that makes tax collections on a range of goods more efficient.

Connecticut's new tax-filing system, to go live next week, will replace a legacy system built in 2002.

The duplicate payments totaled $26 million. But officials have fixed the program that controls tax refunds and are now recouping the wayward funds.

With the goal of building trust with the public, the city's finance department has launched a new tool that estimates how a user's tax dollars are allocated.