Using an online research service, determine whether your state:
a. Allows flow-through treatment for Federal S corporations.
b. Requires any state-specific form to elect or elect out of S treatment at the state level.
c. Places any additional withholding tax burdens on our-of-state U.S. shareholders or on non-U.S. shareholders of an S corporation.
d. Requires any additional information disclosures or compliance deadlines for S corporations operating in the state other than to the revenue department (e.g., a report that must be filed with the secretary of state).
e. Accepts "composite" or ''block" income tax returns.