Open PDF file, 1.76 MB,
2018 Form 355: Business/Manufacturing Corporation Excise Return
(English, PDF 1.76 MB)
Open PDF file, 257.58 KB,
2018 Form 355 Instructions
(English, PDF 257.58 KB)
(Revised April 22, 2019)
Open PDF file, 218.99 KB,
2018 Schedule H: Investment Tax Credit and Carryovers
(English, PDF 218.99 KB)