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- 400B ESTIMATED TAX BY SUBCHAPTER S 2021
BANKING CORPORATIONS

For CALENDAR YEAR 2021 or FISCAL YEAR beginning _________________, _______ and ending ________________, _______
Print or Type t
Name Name Taxpayer’s Email Address
Change
n
In Care of

Address (number and street)
Address EMPLOYER IDENTIFICATION NUMBER
Change n
City and State Zip Code Country (if not US)
*10412191*
Business Telephone Number

COMPUTATION OF ESTIMATED TAX
Payment Amount
A. Payment Amount included with form - Make payable to: NYC Department of Finance ......A.

1. Declaration of estimated tax for current year........................................................................ 1.

2. Estimated Payment Amount ................................................................................................. 2.

MAILING MAIL FORM TO: Make remittance payable to the order of: To receive proper credit, you must enter your
INSTRUCTIONS NYC DEPARTMENT OF FINANCE NYC DEPARTMENT OF FINANCE. correct Employer Identification Number on
BANKING CORPORATION TAX Payment must be made in U.S. dollars, your declaration and remittance.
P.O. BOX 3924 drawn on a U.S. bank.
NEW YORK, NY 10008-3924

KEEP A COPY OF THIS FORM FOR YOUR RECORDS. SEE INSTRUCTIONS ON PAGE 2.

ELECTRONIC FILING
Register for electronic filing. It is an easy, secure and convenient way to file a declaration and an extension and pay taxes on-line.
For more information log on to NYC.gov/eservices

10412191 NYC-400B 2020

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Form NYC-400B - 2021 - Instructions                                                                                                         Page 2
 
 WHO MUST FILE 
Every federal Subchapter S banking corporation subject to the New York City Tax on Banking Corporations (Title 11, Chapter 6, Subchapter 3 of the 
Administrative Code) must file a form (NYC-400B) if its estimated tax for the current year can reasonably be expected to exceed $1,000.  For years be-
ginning on or after January 1, 2015, if the corporation is a federal C corporation it is subject to the Business Corporation Tax and must file Form NYC-
400 if its estimated tax for the current year can reasonably be expected to exceed $1,000.  The term “estimated tax” means the amount of tax the taxpayer 
estimates to be imposed by section 11-639 of the Administrative Code less the sum of the credits estimated to be allowable against the tax. 
 
NOTE: If the current year's tax is reasonably estimated to exceed $1,000, an estimated payment is required even if this is the first year of business in 
      New York City for the taxpayer or the taxpayer paid only the $125 minimum tax for the preceding year. Failure to pay or underpayment of es-
      timated tax in these circumstances will result in penalties. 
 
LINE 1  -  DECLARATION OF ESTIMATED TAX FOR CURRENT YEAR 
Corporations whose tax liability for the preceding year exceeds $1,000 are required to pay, with the tax return for the preceding year, or with the appli-
cation for extension of time for the filing of such return, 25% of the tax liability for the preceding year as a first installment of estimated tax for the cur-
rent year.  After taking credit for that 25% payment and for the amount of any overpayment shown on last year’s return which the taxpayer elected to 
have applied as a credit against the current year’s tax, taxpayers filing estimated tax are required to pay the balance of estimated tax in fractional in-
stallments. 
  
                                                   ESTIMATED TAX DUE DATES

   If the requirements for filing estimated        File the form on or before the:                   The balance of estimated tax  
   payments are first met during the taxable year:                                                   is due as follows: 
   
   Before the first day of the 6th month           15th day of the 6th month                         l        1/3 by the 15th day of the 6th month 
                                                                                                     l        1/3 by the 15th day of the 9th month 
                                                                                                     l        1/3 by the 15th day of the 12th month 
     
   On or after the first day of the 6th month and  15th day of the 9th month                         l        1/2 by the 15th day of the 9th month 
   before the first day of the 9th month                                                             l        1/2 by the 15th day of the 12th month 
     
   On or after the first day of the 9th month and  15th day of the 12th month.  In lieu of this      Pay in full 
   before the first day of the 12th month          form, a completed tax report, with payment  
                                                   of any unpaid balance of tax, may be filed on or  
                                                   before the 15th day of the 2nd month of the  
                                                   following year.

If any of the above dates fall on a Saturday, Sunday or legal holiday, the due date is the next business day. 
 
AMENDMENTS 
An amended form should be filed, if necessary, to correct the tax estimate and related payments. Use the NYC-400B for the amendment. If the amend-
ment is made after the 15th day of the 9th month of the taxable year, any increase in tax must be paid with the amendment. 
 
LATE FILING 
If the NYC-400B is filed after the time prescribed in the chart above, all installments of estimated tax due on or before such time are payable at once and 
the remaining installments are due as if the form was timely filed. 
 
PENALTY 
The law imposes penalties for failure to pay or for the underpayment of estimated tax. (Refer to Section 11-676, Subdivisions 3 and 4 of the Administrative Code.)

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