Oklahoma Oklahoma Annualized Income Installment Methods forCorporations and Trusts

Oklahoma Annualized Income Installment Methods forCorporations and Trusts
2023 Form OW-8-P-SUP-C Annualized Income Installment Method Corporations and Trusts
FORM

Oklahoma Annualized Income Installment
Method for Corporations and Trusts

OW-8-P-SUP-C

(Provide this form and Form OW-8-P with your return)
Name as shown on return

2
0
2
3

Federal Employer Identification Number

General Information….

If you use this form for any payment due date, you must use it for all payment due dates. To figure the amount of each required installment, the schedule automatically selects the smaller of the annualized income installment or the regular installment (increased by the
amount saved by using the annualized income installment method in figuring any earlier installments). You must complete Section Two,
Part 1 of Form OW-8-P before you can complete this form.
Use Schedule One for Corporations and Schedule Two for Trusts.

Corporations….

The annualization method for Oklahoma estimated tax purposes is the same as that prescribed in the Internal Revenue Code (IRC) and
in the Oklahoma Tax Commission Rule 710:50-13-9. The annualization provisions found in IRC Sections 6655(e)(2)(C) and 6655(e)(3)
may not be used. Computing estimated taxes on an annualized basis shall only be permitted for a taxable year of twelve months. For
additional information, use the Federal instructions for Form 2220 “Underpayment of Estimated Tax by Corporations”.

Schedule One:
Corporations

Column C
Column D
First 6 months First 9 months

Column A
First 3 months

Column B
First 3 months

4

4

2

1.33333

17.5%

35%

52.5%

70%

	1.	 Enter Oklahoma taxable income for each
		 annualization period................................................ 1
	2.	 Annualization amounts............................................ 2
	3.	 Annualized taxable income.
		 Multiply line 1 by line 2............................................ 3
	4.	 Oklahoma income tax. Multiply line 3 by 4%......... 4
	5.	 Oklahoma credits (refundable and nonrefundable)... 5
	6.	 Subtract line 5 from line 4. If zero or less, enter “0”....... 6
	7.	 Applicable percentage............................................ 7
	8.	 Multiply line 6 by line 7............................................ 8
Caution: Complete lines 9-15 of one column before going to the next column.
	9.	 Add amounts in all previous columns of line 15...... 9
	 0.	 Annualized income installments. Subtract line 9
1
		 from line 8. If zero or less, enter “0”..................... 10
11.	 Enter 1/4 of line 8 from Section Two, Part 1
		 of Form OW-8-P in each column........................... 11
12.	 Enter the amount from line 14 of the previous
		column.................................................................. 12
13.	 Add lines 11 and 12.............................................. 13
14.	 Subtract line 10 from line 13.
		 If zero or less, enter “0”......................................... 14
15.	 Required Installments.
		 Enter the smaller of line 10 or line 13 here and
		 in applicable column on Form OW-8-P
		 Section Two, Part 2, line 9.................................... 15

2023 Form OW-8-P-SUP-C - Page 2

Oklahoma Annualized Income Installment Method
for Corporations and Trusts
Name as shown on return

Federal Employer Identification Number

Trusts….

The annualization method for Oklahoma estimated tax purposes is the same as that prescribed in the Internal Revenue Code.
Therefore for additional information, use the Federal instructions for Form 2210 “Underpayment of Estimated Tax by Individuals,
Estates, and Trusts” or Federal Publication 505 “Tax Withholding and Estimated Tax”.

Schedule Two:
Trusts

Column A
1/1 - 2/28

Column B
1/1 - 4/30

Column C
1/1 - 7/31

Column D
1/1 - 11/30

6

3

1.71429

1.09091

17.5%

35%

52.5%

70%

	1.	 Enter Oklahoma taxable income without your
		 exemptions for each period..................................... 1
	2.	 Annualization amounts............................................ 2
	3.	 Annualized taxable income.
		 Multiply line 1 by line 2............................................ 3
	4.	 Enter exemption amount shown on your tax return.. 4
	5.	 Subtract line 4 from line 3....................................... 5
	6.	 Figure your Oklahoma income tax on the amount
		 on line 5 using the individual income tax table........ 6
	7.	 Oklahoma credits (refundable and nonrefundable)... 7
	8.	 Subtract line 7 from line 6. If zero or less, enter “0”....... 8
	9.	 Applicable percentage............................................ 9
10.	 Multiply line 8 by line 9.......................................... 10
Caution: Complete lines 11-17 of one column before going to the next column.
11.	 Add amounts in all previous columns of line 17.... 11
12.	 Annualized income installments. Subtract line 11
		 from line 10. If zero or less, enter “0”................... 12
13.	 Enter 1/4 of line 8 from Section Two, Part 1
		 of Form OW-8-P in each column........................... 13
14.	 Enter the amount from line 16 of the previous
		column.................................................................. 14
15.	 Add lines 13 and 14.............................................. 15
16.	 Subtract line 12 from line 15.
		 If zero or less, enter “0”......................................... 16
17.	 Required Installments.
		 Enter the smaller of line 12 or line 15 here and
		 in applicable column on Form OW-8-P
		 Section Two, Part 2, line 9.................................... 17