Alaska Underpayment of Estimated Tax by Corporations 

                        For calendar year _____ or the taxable year beginning _________, _____, ending __________, ____
Form 
    6220

EIN                                                   Name Shown on Return

Check applicable boxes:
     annualized income installment method or adjusted seasonal installment method (attach schedule)
     “large corporation” applies

Part I – How to Compute the Underpayment
1.Net income tax (see instructions) .     . . .     . . . . . .     .  .  . . . . . . .                   . . . .         .   1
2a. Personal holding company tax included in line 1 . . . . . .     .  .  . . . . . . .                   . . .    .      2a
2b.Look-back interest included in line 1  . . .     . . . . . .     .  .  . . . . . . .                   . . . .         2b
2c.Section 167(g) for depreciation under the income forecast method .  .  . . . . . . .                   . . . .         2c
2d.Total.  Add lines 2a–2c . . .    .     . . .     . . . . . .     .  .  . . . . . . .                   . . . .         . 2d
3.Subtract line 2d from line 1. If the result is less than $500, do not complete the rest of this form. No penalty is due .   3
4a.Enter 100% of line 3    . . .    .     . . .     . . . . . .     .  .  . . . . . . .                   . . . .         4a
4b.Enter 100% of the tax shown on the return for the previous year if tax was reported (see instructions)   . . .         4b
4c.Enter the lesser of line 4a or line 4b . . .     . . . . . .     .  .  . . . . . . .                   . . . .         . 4c

                                                                            A         B                                     C  D
5.Enter in columns A through D the installment due dates (the 15th day 
of the 4th, 6th, 9th and 12th months of the tax year) . . . . .     .
6.Required installment (see instructions)   . .     . . . . . .     .

                                                                                                                               0405-6220  Rev 01/01/19