- The Tax Professionals pages offer useful links and information geared toward accountants, agents, bookkeepers, lawyers, managers, software and forms developers, tax preparers, and other persons performing tax-related transactions for customers.
MassTaxConnect is DOR's state-of-the-art, electronic system for filing and paying taxes in the Commonwealth. The new integrated tax system replaced WebFile for Business on November 30, 2015. Individual income taxpayers will have access to MassTaxConnect by 2017. Read More