OMB No. 1545-0192 
                                         Tax on Accumulation Distribution of Trusts 
Form  4970 
                                                       ▶
Department of the Treasury                               Attach to beneficiary’s tax return.                                                 2021
                                                                                                                                            Attachment 
Internal Revenue Service                       ▶ Go to www.irs.gov/Form4970 for the latest information.                                     Sequence No. 178
A     Name(s) as shown on return                                                                                                   B   Social security number 

C     Name and address of trust                                                                                                    D   Employer identification number 

E     Type of trust (see instructions)   F   Beneficiary’s date of birth     G   Enter the number of trusts from which you received 
       Domestic Foreign                                                          accumulation distributions in this tax year .   .  . . ▶
Part I  Average Income and Determination of Computation Years 
1      Amount  of  current  distribution  that  is  considered  distributed  in  earlier  tax  years  (from  Schedule  J 
       (Form 1041), line 37, column (a))  .        . . . .               . . . . . . .    .  . .   . .  .    . .             .   .  .     1 
2      Distributions of income accumulated before you were born or reached age 21  .                 .  .    . .             .   .  .     2 
3      Subtract line 2 from line 1           . . . . . . .               . . . . . . .    .  . .   . .  .    . .             .   .  .     3 
4      Taxes imposed on the trust on amounts from line 3 (from Schedule J (Form 1041), line 37, column (b))  .                            4 
5      Total (add lines 3 and 4)  .          . . . . . . .               . . . . . . .    .  . .   . .  .    . .             .   .  .     5 
6      Tax-exempt interest included on line 5 (from Schedule J (Form 1041), line 37, column (c))  .                          .   .  .     6 
7      Taxable part of line 5 (subtract line 6 from line 5)  .             . . . . . .    .  . .   . .  .    . .             .   .  .     7 
8      Number of trust’s earlier tax years in which amounts on line 7 are considered distributed               .             .   .  .     8 
9      Average annual amount considered distributed (divide line 3 by line 8)  .             . .     9 
10     Multiply line 9 by 25% (0.25)           . . . . . .               . . . . . . .    .  . .     10 
11     Number of earlier tax years to be taken into account (see instructions) .             . .   . .  .    . .             .   .  .     11 
12     Average amount for recomputing tax (divide line 7 by line 11). Enter here and in each column on line 15                            12 
13     Enter  your  taxable  income  before            (a) 2020                  (b) 2019          (c) 2018                      (d) 2017        (e) 2016
       this distribution for the 5 immediately 
       preceding tax years. 
Part II Tax Attributable to the Accumulation Distribution 
                                                                                               (a)                           (b)             (c) 
14     Enter the amounts from line 13, eliminating the highest and lowest 
       taxable income years            . .   . . . . . . .               . . . . . .      14 

15     Enter amount from line 12 in each column .      . .               . . . . . .      15 

16     Recomputed taxable income (add lines 14 and 15)  .                  . . . . .      16 

17     Income tax on amounts on line 16  .         . . . .               . . . . . .      17 

18     Income tax before credits on line 14 income  .    .               . . . . . .      18 

19     Additional tax before credits (subtract line 18 from line 17)  .          . .      19 

20     Tax credit adjustment  .          .   . . . . . . .               . . . . . .      20 

21     Subtract line 20 from line 19  .        . . . . . .               . . . . . .      21 

22     Alternative minimum tax adjustments  .        . . .               . . . . . .      22 

23     Combine lines 21 and 22  .            . . . . . . .               . . . . . .      23 
24     Add columns (a), (b), and (c), line 23 .    . . . .               . . . . . . .    .  . .   . .  .    . .             .   .  .     24 
25     Divide the line 24 amount by 3.0  .       . . . . .               . . . . . . .    .  . .   . .  .    . .             .   .  .     25 
26     Multiply the amount on line 25 by the number of years on line 11  .           .    .  . .   . .  .    . .             .   .  .     26 
27     Enter the amount from line 4  .         . . . . . .               . . . . . . .    .  . .   . .  .    . .             .   .  .     27 
28     Partial tax attributable to the accumulation distribution (subtract line 27 from line 26) (If zero or 
       less, enter -0-)    .     .     . .   . . . . . . .               . . . . . . .    .  . .   . .  .    . .             .   .  .     28 
For Paperwork Reduction Act Notice, see the instructions.                                    Cat. No. 13180V                                 Form 4970 (2021)

Form 4970 (2021)                                                                                                                                       Page 2
General Instructions                                 Line 2. Enter any amount from line 1 that            accumulation distribution. If the distribution is 
                                                     represents UNI of a domestic trust accumulated       from a foreign trust, see sections 667(d) and   
Section references are to the Internal Revenue       before you were born or reached age 21.              904(f)(4) for special rules.
Code unless otherwise noted.                         However, if the multiple trust rule applies, see the Attach the proper form for any credit you 
Future Developments                                  instructions for line 4.                             refigure. The amount determined for items on 
For the latest information about developments        Line 4. Multiple trust rule. If you received         this line is limited to tax law provisions in effect 
related to Form 4970 and its instructions, such      accumulation distributions from two or more          for those years involved.
as legislation enacted after they were published,    other trusts that were considered to have been       Line 22. For each year entered in Part II, columns 
go to www.irs.gov/Form4970.                          made in any of the earlier tax years in which the    (a)–(c), use and attach that year’s Form 4626, 
                                                     current accumulation distribution is considered      Alternative Minimum Tax—Corporations (for 
Purpose of Form                                      to have been made, don’t include on line 4 the       years prior to 2018); Form 6251, Alternative 
A beneficiary of certain domestic trusts (see        taxes attributable to the current accumulation       Minimum Tax—Individuals; or Schedule I (Form 
Who Must File below) uses Form 4970 to figure        distribution considered to have been distributed     1041), Alternative Minimum Tax—Estates and 
the partial tax on accumulation distributions        in the same earlier tax year(s).                     Trusts, to recompute the AMT for that year. 
under section 667. The fiduciary notifies the           For this special rule, only count as trusts those Show any change in the AMT below the bottom 
beneficiary of an “accumulation distribution” by     trusts for which the sum of this accumulation        margin of the appropriate form or schedule and 
completing Part IV of Schedule J (Form 1041).        distribution and any earlier accumulation            enter the change on line 22. 
If you received a distribution for this tax year     distributions from the trust, which are considered   Line 28. If estate taxes or generation-skipping 
from a trust that accumulated its income instead     under section 666(a) to have been distributed in     transfer taxes apply to the accumulation 
of distributing it each year (and the trust paid     the same earlier tax year(s), is $1,000 or more.     distribution, reduce the partial tax proportionately 
taxes on that income), you must complete Form        Foreign trust. If the trust is a foreign trust, see  for those taxes. See section 667(b)(6) for the 
4970 to compute any additional tax liability. The    section 665(d)(2).                                   computation.
trustee must give you a completed Part IV of         Line 8. You can determine the number of years        Individuals. Include the amount from this line on  
Schedule J (Form 1041) so you can complete           in which the UNI is deemed to have been              Schedule 2 (Form 1040), line 8c. Write “ADT” on 
this form.                                           distributed by counting the “throwback years”        the line 8c entry space.
If you received accumulation distributions from      for which there are entries on lines 32 through 36   Trusts and decedents’ estates. Include the 
more than one trust during the current tax year,     of Part IV of Schedule J (Form 1041). These          amount on Form 1041, Schedule G, line 8. Write 
prepare a separate Form 4970 for each trust          throwback rules apply even if you wouldn’t have      “From Form 4970” and the amount of the tax to 
from which you received an accumulation              been entitled to receive a distribution in the       the left of the line 8 entry space.
distribution. You can arrange the distributions in   earlier tax year if the distribution had actually    Other filers. Add the result to the total tax 
any order you want them considered to have           been made then. There can be more than 5             liability before the refundable credits on your 
been made.                                           “throwback years.”                                   income tax return for the year of the 
                                                     Line 11. From the number of years entered on         accumulation distribution. Attach this form to 
Who Must File                                        line 8, subtract any year in which the distribution  that return.
Beneficiaries who received an accumulation           from column (a), Part IV of Schedule J (Form 
distribution from certain domestic trusts that       1041) is less than the amount on line 10 of Form     Paperwork Reduction Act Notice. We ask for 
were created before March 1, 1984, must file         4970. If the distribution for each throwback year    the information on this form to carry out the 
Form 4970. For details, see section 665(c).          is more than line 10, then enter the same number     Internal Revenue laws of the United States. You 
Foreign trust beneficiaries. If you received an      on line 11 as you entered on line 8.                 are required to give us the information. We need 
accumulation distribution from a foreign trust,      Line 13. Enter your taxable incomes for years        it to ensure that you are complying with these 
you must report the distribution and the partial     2016–2020, even if less than 5 years of the trust    laws and to allow us to figure and collect the 
tax on a 2021 Form 3520, Annual Return To            had accumulated income after you became 21.          right amount of tax.
Report Transactions With Foreign Trusts and          Use the taxable income as reported by you or as      You aren’t required to provide the information 
Receipt of Certain Foreign Gifts.                    changed by the IRS. Include in the taxable           requested on a form that is subject to the 
Don’t file Form 4970 for distributions from any      income amounts considered distributed in that        Paperwork Reduction Act unless the form 
foreign trusts, except to attach it as a worksheet   year as a result of prior accumulation               displays a valid OMB control number. Books or 
to Form 3520 if those instructions direct you to.    distributions, whether from the same or another      records relating to a form or its instructions must 
Note: If the accumulation distributions are from a   trust, and whether made in an earlier year or the    be retained as long as their contents may 
domestic trust that used to be a foreign trust, see  current year.                                        become material in the administration of any 
Rev. Rul. 91-6, 1991-1 C.B. 89.                         If your taxable income as adjusted is less than   Internal Revenue law. Generally, tax returns and 
                                                     zero, enter zero.                                    return information are confidential, as required by 
Definitions                                          Line 17. Figure the income tax (excluding any        section 6103.
Undistributed net income (UNI). UNI is the           alternative minimum tax (AMT)) on the income on      The time needed to complete and file this form 
distributable net income (DNI) of the trust for any  line 16 using the tax rates in effect for your       will vary depending on individual circumstances. 
tax year less (1) the amount of income required      particular earlier tax year shown in each of the     The estimated burden for individual taxpayers 
to be distributed currently and any other            three columns. Use the Tax Rate Schedules, etc.,     filing this form is approved under OMB control 
amounts properly paid or credited or required to     as applicable. You can get the Tax Rate              number 1545-0074 and is included in the 
be distributed to beneficiaries in the tax year and  Schedules and prior year forms by downloading        estimates shown in the instructions for their 
(2) the taxes imposed on the trust attributable to   them at www.irs.gov.                                 individual income tax return. The estimated 
such DNI.                                            Line 18. Enter your income tax (excluding any        burden for all other taxpayers who file this form is 
Accumulation distribution. An accumulation           AMT) as originally reported, corrected, or           shown below.
distribution is the excess of amounts properly       amended, before reduction for any credits for        Learning about the                                           
paid, credited, or required to be distributed        your particular earlier year shown in each of the    law or the form     . . .   .  .   . . .  13 min.
(other than income required to be distributed        three columns.                                       Preparing the form .    .    .   .   . .  52 min.
currently) over the DNI of the trust reduced by      Line 20. Nonrefundable credits that are limited to   Copying, assembling,                                         
income required to be distributed currently.         tax liability, such as the general business credit,  and sending the form to the IRS      . .  20 min.
Generally, except for tax-exempt interest, the       may be changed because of an accumulation            If you have comments concerning the 
distribution loses its character upon distribution   distribution. If the total allowable credits for any accuracy of these time estimates or suggestions 
to the beneficiary. See section 667(d) for special   of the 3 computation years increase, enter the       for making this form simpler, we would be happy 
rules for foreign trusts.                            increase on line 20. However, don’t treat as an      to hear from you. See the instructions for the tax 
                                                     increase the part of the credit that was allowable   return with which this form is filed.
Specific Instructions                                as a carryback or carryforward credit in the 
Item E—Type of trust. If you received an             current or any preceding year other than the 
accumulation distribution from a foreign trust,      computation year.
see Foreign trust beneficiaries, earlier. Don’t file    To refigure these credits, you must consider 
this form other than as an attachment to Form        changes to the tax before credits for each of the 
3520.                                                3 computation years due to previous 
Line 1. For a nonresident alien or foreign           accumulation distributions.
corporation, include only the part of the               If the accumulation distribution is from a 
accumulation distribution that is attributable to    domestic trust that paid foreign income taxes, 
U.S. sources or is effectively connected with a      the limitation on the foreign tax credit under 
trade or business carried on in the United States.   section 904 is applied separately to the