June 15 is
also the deadline for the second installment of estimated tax for calendar year
payers of corporate tax, franchise tax, bank excise tax, political organization
tax, composite income tax, and pass-through withholding.
In
addition, June 15 is the deadline for the second installment of estimated tax
for payers of the bank deposits tax, insurance gross premiums tax (admitted
carriers), and public service corporation tax.
