SCHEDULE B-1                           Information on Partners Owning 50% or 
(Form 1065)
(Rev. September 2017)                            More of the Partnership                                                 OMB No. 1545-0123
Department of the Treasury                       ▶ Attach to Form 1065. 
Internal Revenue Service                 ▶ Go to www.irs.gov/Form1065 for the latest information.
Name of partnership                                                                              Employer  identification number (EIN)

Part I  Entities Owning 50% or More of the Partnership (Form 1065, Schedule B, Question 3a)
Complete columns (i) through (v) below for any foreign or domestic corporation, partnership (including any entity treated as a 
partnership), trust, tax-exempt organization, or any foreign government that owns, directly or indirectly, an interest of 50% or more in 
the profit, loss, or capital of the partnership (see instructions).
                                                 (ii) Employer                                                           (v) Maximum 
                    (i) Name of Entity           Identification Number   (iii) Type of Entity    (iv)                    Percentage Owned 
                                                               (if any)                          Country of Organization  in Profit, Loss, 
                                                                                                                          or Capital

Part II Individuals or Estates Owning 50% or More of the Partnership (Form 1065, Schedule B, Question 3b)
Complete columns (i) through (iv) below for any individual or estate that owns, directly or indirectly, an interest of 50% or more in the 
profit, loss, or capital of the partnership (see instructions).

                                                                                                                         (iv) Maximum  
        (i) Name of Individual or Estate         (ii) Identifying Number (iii) Country of Citizenship (see instructions) Percentage Owned in 
                                                               (if any)                                                  Profit, Loss,  
                                                                                                                         or Capital

For Paperwork Reduction Act Notice, see the Instructions for Form 1065.  Cat. No. 49842K         Schedule B-1 (Form 1065) (Rev. 9-2017)

Schedule B-1 (Form 1065) (Rev. 9-2017)                                                                                               Page 2
General Instructions                                                  Example 1. Corporation A owns, directly, an interest of 50% 
                                                                      in the profit, loss, or capital of Partnership B. Corporation A 
Section references are to the Internal Revenue Code unless            also owns, directly, an interest of 15% in the profit, loss, or 
otherwise noted.                                                      capital of Partnership C. Partnership B owns, directly, an 
                                                                      interest of 70% in the profit, loss, or capital of Partnership C. 
Future Developments                                                   Therefore, Corporation A owns, directly or indirectly, an 
For the latest information about developments related to              interest of 50% in the profit, loss, or capital of Partnership C 
Schedule B-1 (Form 1065) and its instructions, such as                (15% directly and 35% indirectly through Partnership B). On 
legislation enacted after the form and instructions were              Partnership C’s Form 1065, it must answer “Yes” to question 
published, go to www.irs.gov/Form1065.                                3a of Schedule B. Partnership C must also complete Part I of 
                                                                      Schedule B-1. In Part I, Partnership C must identify Corporation 
Purpose of Form                                                       A, which includes entering “50%” in column (v) (its maximum 
                                                                      percentage owned). It also must identify Partnership B, and 
Use Schedule B-1 (Form 1065) to provide the information               enter “70%” in column (v).
applicable to certain entities, individuals, and estates that own, 
directly or indirectly, an interest of 50% or more in the profit,     Part II
loss, or capital of the partnership.
                                                                      Complete Part II if the partnership answered “Yes” to Form 
Who Must File                                                         1065, Schedule B, question 3b. List each individual or estate 
                                                                      owning, directly or indirectly, an interest of 50% or more in the 
Schedule B-1 (Form 1065) must be filed by all partnerships that       profit, loss, or capital of the partnership at the end of the tax 
answer “Yes” to question 3a or question 3b on Schedule B of           year. Enter the name, social security or employer identification 
Form 1065. Attach Schedule B-1 to Form 1065.                          number, country of citizenship (for an estate, the citizenship of 
                                                                      the decedent), and the maximum percentage interests owned, 
Specific Instructions                                                 directly or indirectly, in the profit, loss, or capital of the 
                                                                      partnership.
Part I                                                                Example 2. A owns, directly, 50% of the profit, loss, or capital 
Complete Part I if the partnership answered “Yes” to Form             of Partnership X. B, the daughter of A, does not own, directly, 
1065, Schedule B, question 3a. List each corporation,                 any interest in X and does not own, indirectly, any interest in X 
partnership, trust, tax-exempt organization, or foreign               through any entity (corporation, partnership, trust, or estate). 
government owning, directly or indirectly, an interest of 50% or      Because family attribution rules apply only when an individual 
more in the profit, loss, or capital of the partnership at the end    (in this example, B) owns a direct interest in the partnership or 
of the tax year. Enter the name, EIN, type of entity (corporation,    an indirect interest through another entity, A’s interest in 
partnership, trust, tax-exempt organization, or foreign               Partnership X is not attributable to B. On Partnership X’s Form 
government), country of organization, and the maximum                 1065, it must answer “Yes” to question 3b of Schedule B. 
percentage interests owned, directly or indirectly, in the profit,    Partnership X must also complete Part II of Schedule B-1. In 
loss, or capital of the partnership. For an affiliated group filing a Part II, Partnership X must identify A, which includes entering 
consolidated tax return, list the parent corporation rather than      “50%” in column (iv). Partnership X will not identify B in Part II.
the subsidiary members. List the entity owner of a disregarded 
entity rather than the disregarded entity. If the owner of a 
disregarded entity is an individual rather than an entity, list the 
individual in Part II. In the case of a tax-exempt organization, 
enter “tax-exempt organization” in column (iii).