New York Underpayment of Estimated Income Tax By Individuals and Fiduciaries

Underpayment of Estimated Income Tax By Individuals and Fiduciaries
Form IT-2105.9 Underpayment of Estimated Income Tax By Individuals and Fiduciaries Tax Year 2023IT-2105.9

Department of Taxation and Finance

Underpayment of Estimated Tax
By Individuals and Fiduciaries
New York State • New York City • Yonkers • MCTMT
	 Name(s) as shown on return	

Identification number (SSN or EIN)

Part 1 – All filers must complete this part (see instructions, Form IT-2105.9-I, for assistance)

	1	 Total tax from your 2023 return before withholding and estimated tax payments (caution: see instructions) ......................	
	2	 Empire State child credit (from Form IT-201, line 63) ........................................................... 	 2	
.00
	3	 NYS/NYC child and dependent care credit (from Form IT-201, line 64) ................................. 	 3	
.00	
	4	 NY State earned income credit (EIC) (from Form IT-201, line 65) ........................................ 	 4	
.00
	5	 NY State noncustodial parent EIC (from Form IT-201, line 66) ............................................. 	 5	
.00
	6	 Real property tax credit (from Form IT-201, line 67) ............................................................. 	 6	
.00
	7	 College tuition credit (from Form IT-201, line 68) .................................................................. 	 7	
.00
	7a	 Enter the total amount of STAR credit (see instructions) .................................................... 	 7a	
.00
	8	 NY City school tax credit (from Form IT-201, lines 69 and 69a, or Form IT-203, lines 60 and 60a) ... 	 8	
.00
	9	 NY City earned income credit (from Form IT-201, line 70) .................................................... 	 9	
.00
	9a	 This line intentionally left blank ........................................................................................ 	 9a	
	10	 Other refundable credits (from Form IT-201, line 71; Form IT-203, line 61; or Form IT-205, line 33).	 10	
.00
	11	 Add lines 2 through 10 ......................................................................................................................................................	
	12	 Current year tax (subtract line 11 from line 1) ........................................................................................................................	
	13	 Multiply line 12 by 90% (.90) ............................................................................................ 	 13	
.00
	14	 Income taxes withheld (from Form IT-201, lines 72, 73, and 74; Form IT-203, lines 62, 63, and 64; or Form IT-205, lines 34, 35, and 36) 	
	15	 Subtract line 14 from line 12. If the result is less than $300, do not complete the rest of this form (see instructions) .................	
	16	 Enter your 2022 tax (caution: see instructions) ....................................................................................................................	
	17	 Enter the smaller of line 13 or line 16 ..............................................................................................................................	

1	

.00

11	
12	

.00
.00

14	
15	
16	
17	

.00
.00
.00
.00

Part 2 – Short method for computing the penalty – Complete lines 18 through 24 if you paid withholding tax and/or paid four equal
estimated tax installments (on the due dates), or if you made no payments of estimated tax. Otherwise, you must complete Part 3 – Regular method.

	18	 Enter the amount from line 14 above ............................................................................... 	 18	
.00
	19	 Enter the total amount of estimated tax payments you made (see instructions) ................. 	 19	
.00
	20	 Add lines 18 and 19 ..........................................................................................................................................................	20	
	21	 Total underpayment for year. Subtract line 20 from line 17 (if zero or less, you do not owe the penalty) ..............................	 21	
	22	 Multiply line 21 by .06801 and enter the result .................................................................................................................	 22	
	23	 If the amount on line 21 was paid on or after April 15, 2024, enter 0. If the amount on line 21 was paid before
	 	   April 15, 2024, make the following computation to find the amount to enter on this line:
		   Amount on line 21  ×  number of days paid before April 15, 2024  ×  .00028  = ......................................................	 23	
	24	 Penalty. Subtract line 23 from line 22 ..............................................................................................................	 24	
	 	   Enter here and on Form IT-201, line 81; Form IT-203, line 71; or Form IT-205, line 42.

.00
.00
.00
.00
.00

Part 3 – Regular method – Schedule A – Computing your underpayment (Schedule B is on the back)

	

Payment due dates	

	 5	 Required installments. Enter ¼ of line 17
2
	 	   in each column. (If you used the annualized
		  income installment method, see instructions.)...	 25	
	26	 Estimated tax paid and tax withheld
		  (see instructions) .................................... 	 26	

A   4/15/23	B   6/15/23	

C   9/15/23	D   1/15/24

.00	

.00	

.00	

.00

.00	

.00	

.00	

.00

.00	

.00

.00	

.00

.00	

.00

	 omplete lines 27 through 29, one column
C
	  at a time, starting in column A.
	27	 Overpayment or underpayment from
	 	   prior period .......................................... 	 27		
.00	
	28	 If line 27 is an overpayment, add lines 26
	 	   and 27; if line 27 is an underpayment,
	 	   subtract line 27 from line 26 (see instr.) . 	 28	
.00	
.00	
	29	 Underpayment (subtract line 28 from
		  line 25) or overpayment (subtract line 25
		  from line 28; see instructions) .................... 	 29	
.00	
.00	

059001230094

IT-2105.9 (2023) (back)

Part 3 – Regular method – Schedule B – Computing the penalty
	

Payment due dates	

A   4/15/23	B   6/15/23	

.00	

	30	Amount of underpayment (from line 29) ...........	 30	

.00	

C   9/15/23	D   1/15/24

.00	

.00

First installment penalty period
	 (April 15 - June 15, 2023)
	31	April 15 - June 15 
	

=

(61 ÷ 365) × 9.5% = .01587
- or -

	

=

		
April 15 -	

(	 ÷ 365) × 9.5% =	 .
									
	31
	32	Multiply line 30, column A by line 31 ..............	 32	
	

.00

Second installment penalty period (June 15 - September 15, 2023)
	33	June 15 - September 15  =  (92 ÷ 365)

× 9.5% = .02394

- or -

	

		
June 15 -	  =  (	 ÷ 365) × 9.5% = 	.

	
33
	34	Multiply line 30, column B by line 33 ...................................................	 34	

.00

Third installment penalty period (September 15, 2023 - January 15, 2024)
	35	September 15 - September 30	
	

	 October 1 - December 31	

		 January 1 - January 15	

=	 	(15	 ÷ 365) ×   9.5%	  =  	.00389
=		 (92	 ÷ 365) × 10.5%	  = 	
.02646
=		 (15	 ÷ 366) × 10.5%	  = 	
.00429

	

.03464  Total
- or -

	
		
September 15 -  

	

		
October 1 -   

	

		 January 1 -   

	

=	 (	
=	 (	
=	(	

	 ÷ 365)  ×  	9.5%	 
	 ÷ 365)  × 	10.5%	 
	 ÷ 366)  × 	10.5%	 

=  .
=  .
=  .

	
	
	

.

	
	 Total	
35
	36	Multiply line 30, column C by line 35 ........................................................................................ 	 36	

.00

Fourth installment penalty period (January 15 - April 15, 2024)
	37	January 15 - April 15 

=  (91 ÷ 366) × 1	 0.5% = .02610

- or -

	

		
January 15 -	 

=  (	 ÷ 366) × 10.5% =	 .

	

37

	38	Multiply line 30, column D by line 37 .............................................................................................................................. 	 38	
	 39	 Penalty. Add lines 32, 34, 36, and 38. Enter here and on Form IT-201, line 81;
	
	   Form IT-203, line 71; or Form IT-205, line 42 .......................................................................................... 	 39	

059002230094

Submit this form with your New York State return.

.00
.00

Extracted from PDF file 2023-new-york-form-it-21059.pdf, last modified December 2006

Download This Form

Print This Form

More about the New York Form IT-2105.9 Individual Income Tax Estimated TY 2023

Underpayment of Estimated Income Tax form for New York state taxpayers.

We last updated the Underpayment of Estimated Income Tax By Individuals and Fiduciaries in January 2024, so this is the latest version of Form IT-2105.9, fully updated for tax year 2023. You can download or print current or past-year PDFs of Form IT-2105.9 directly from TaxFormFinder. You can print other New York tax forms here.

eFile your New York tax return now

eFiling is easier, faster, and safer than filling out paper tax forms. File your New York and Federal tax returns online with TurboTax in minutes. FREE for simple returns, with discounts available for TaxFormFinder users!

File Now with TurboTax

Other New York Individual Income Tax Forms:

TaxFormFinder has an additional 271 New York income tax forms that you may need, plus all federal income tax forms.

Form Code	Form Name
Form IT-201	Individual Income Tax Return Tax Return
IT-201-V	Payment Voucher for Income Tax Returns Voucher
Form IT-203	Nonresident Income Tax Return Nonresident
Form IT-201-D	Resident Itemized Deduction Schedule (DISCONTINUED)
Form IT-201-I	Individual Income Tax Return Instructions Tax Return

Download all NY tax forms View all 272 New York Income Tax Forms

Form Sources:

New York usually releases forms for the current tax year between January and April. We last updated New York Form IT-2105.9 from the Department of Taxation and Finance in January 2024.

Show Sources >

Form IT-2105.9 is a New York Individual Income Tax form. While most taxpayers have income taxes automatically withheld every pay period by their employer, taxpayers who earn money that is not subject to withholding (such as self employed income, investment returns, etc) are often required to make estimated tax payments on a quarterly basis. Failure to make correct estimated payments can result in interest or penalties.

About the Individual Income Tax

The IRS and most states collect a personal income tax, which is paid throughout the year via tax withholding or estimated income tax payments.

Most taxpayers are required to file a yearly income tax return in April to both the Internal Revenue Service and their state's revenue department, which will result in either a tax refund of excess withheld income or a tax payment if the withholding does not cover the taxpayer's entire liability. Every taxpayer's situation is different - please consult a CPA or licensed tax preparer to ensure that you are filing the correct tax forms!

Historical Past-Year Versions of New York Form IT-2105.9

We have a total of twelve past-year versions of Form IT-2105.9 in the TaxFormFinder archives, including for the previous tax year. Download past year versions of this tax form as PDFs here:

2023 Form IT-2105.9

Form IT-2105.9 Underpayment of Estimated Income Tax By Individuals and Fiduciaries Tax Year 2023

2022 Form IT-2105.9

Form IT-2105.9 Underpayment of Estimated Income Tax By Individuals and Fiduciaries Tax Year 2022

2021 Form IT-2105.9

Form IT-2105.9 Underpayment of Estimated Income Tax By Individuals and Fiduciaries Tax Year 2021

2020 Form IT-2105.9

Form IT-2105.9 Underpayment of Estimated Income Tax By Individuals and Fiduciaries Tax Year 2020

2019 Form IT-2105.9

Form IT-2105.9:2019:Underpayment of Estimated Income Tax By Individuals and Fiduciaries:it21059

2018 Form IT-2105.9

Form IT-2105.9:2018:Underpayment of Estimated Income Tax By Individuals and Fiduciaries:it21059

2017 Form IT-2105.9

Form IT-2105.9:2017:Underpayment of Estimated Income Tax By Individuals and Fiduciaries:IT21059

2016 Form IT-2105.9

Form IT-2105.9:2016:Underpayment of Estimated Income Tax By Individuals and Fiduciaries:IT21059

2015 Form IT-2105.9

Form IT-2105.9:2015:Underpayment of Estimated Income Tax By Individuals and Fiduciaries:IT21059

Underpayment of Estimated Income Tax By Individuals and Fiduciaries for tax year 2014

2014 Form IT-2105.9

Form IT-2105.9:2014:Underpayment of Estimated Income Tax By Individuals and Fiduciaries:IT21059

Underpayment of Estimated Income Tax By Individuals and Fiduciaries for tax year 2013

2013 Form IT-2105.9

Form IT-2105.9:2013:Underpayment of Estimated Income Tax By Individuals and Fiduciaries:IT21059

2012 Form IT-2105.9

Form IT-2105.9:2012:Underpayment of Estimated Income Tax By Individuals and Fiduciaries:IT21059

TaxFormFinder Disclaimer:

While we do our best to keep our list of New York Income Tax Forms up to date and complete, we cannot be held liable for errors or omissions. Is the form on this page out-of-date or not working? Please let us know and we will fix it ASAP.