Cal. Prob. Code § 16340

(a) The following definitions apply for purposes of this section:
1. (1) “Capital distribution” means an entity distribution of money that is either of the following:
  1. (A) A return of capital.
  2. (B) A distribution in total or partial liquidation of the entity.
2. (2) “Entity” means a corporation, partnership, limited liability company, regulated investment company, real estate investment trust, common trust fund, or any other organization or arrangement in which a person owns or holds an interest, whether or not the entity is a taxpayer for federal income tax purposes. “Entity” does not include any of the following:
  1. (A) A trust or estate to which Section 16341 applies.
  2. (B) A business or other activity to which Section 16342 applies that is not conducted by an entity described in subparagraph (A).
  3. (C) An asset-backed security.
  4. (D) An instrument or arrangement to which Section 16355 applies.
3. (3) “Entity distribution” means a payment or transfer by an entity made to a person in the person’s capacity as an owner or holder of an interest in the entity.
(b) For purposes of this section, an attribute or action of an entity includes an attribute or action of any other entity in which the entity owns or holds an interest, including an interest owned or held indirectly through another entity.
(c) Except as otherwise provided in paragraphs (2) to (4), inclusive, of subdivision (d), a fiduciary shall allocate money received in an entity distribution to income.
(d) A fiduciary shall allocate to principal all of the following:
1. (1) Property received in an entity distribution that is not money.
2. (2) Money received in an entity distribution in an exchange for part or all of the fiduciary’s interest in the entity, to the extent the entity distribution reduces the fiduciary’s interest in the entity relative to the interests of other persons that own or hold interests in the entity.
3. (3) Money received in an entity distribution that the fiduciary determines or estimates is a capital distribution.
4. (4) Money received in an entity distribution from an entity that is a regulated investment company or real estate investment trust if the money received is a capital gain dividend for federal income tax purposes.
5. (5) Money received in an entity distribution that is treated, for federal income purposes, comparably to the treatment described in paragraph (4).
(e) A fiduciary may determine or estimate that money received in an entity distribution is a capital distribution in any of the following ways:
1. (1) By relying without inquiry or investigation on a characterization of the entity distribution provided by or on behalf of the entity, except under either of the following circumstances:
  1. (A) The fiduciary determines, on the basis of information known to the fiduciary, that the characterization is or may be incorrect.
  2. (B) The fiduciary owns or holds more than 50 percent of the voting interest in the entity.
2. (2) By determining or estimating, on the basis of information known to the fiduciary or provided to the fiduciary by or on behalf of the entity, that the total amount of money and property received by the fiduciary in the entity distribution or a series of related entity distributions is, or will be, greater than 20 percent of the fair market value of the fiduciary’s interest in the entity.
3. (3) If neither paragraph (1) nor (2) applies, by considering the factors in subdivision (f) and the information known to the fiduciary or provided to the fiduciary by, or on behalf of, the entity.
(f) In making a determination or estimate under paragraph (3) of subdivision (e), a fiduciary may consider the following:
1. (1) A characterization of an entity distribution provided by or on behalf of the entity.
2. (2) The amount of money or property received in either of the following:
  1. (A) The entity distribution.
  2. (B) What the fiduciary determines is, or will be, a series of related entity distributions.
3. (3) The amount described in paragraph (2) compared to the amount the fiduciary determines or estimates is, during the current or preceding accounting periods, either of the following:
  1. (A) The entity’s operating income.
  2. (B) The proceeds of the entity’s sale or other disposition of any of the following:
    1. (i) All or part of the business or other activity conducted by the entity.
    2. (ii) One or more business assets that are not sold to customers in the ordinary course of the business or other activity conducted by the entity.
    3. (iii) One or more assets other than business assets, unless the entity’s primary activity is to invest in assets to realize gain on the disposition of all or some of the assets.
  3. (C) If the entity’s primary activity is to invest in assets to realize gain on the disposition of all or some of the assets, the gain realized on the disposition.
  4. (D) The entity’s regular, periodic entity distributions.
  5. (E) The amount of money the entity has accumulated.
  6. (F) The amount of money the entity has borrowed.
  7. (G) The amount of money the entity has received from the sources described in Sections 16346, 16349, 16350, and 16351.
  8. (H) The amount of money the entity has received from a source not otherwise described in this paragraph.
4. (4) Any other factor the fiduciary determines is relevant.
(g) If, after applying subdivisions (c) to (f), inclusive, a fiduciary determines that a part of an entity distribution is a capital distribution but is in doubt about the amount of the entity distribution that is a capital distribution, the fiduciary shall allocate to principal the amount of the entity distribution that is in doubt.
(h) If a fiduciary receives additional information about the application of this section to an entity distribution before the fiduciary has paid part or all of the entity distribution to a beneficiary, the fiduciary may consider the additional information before making the payment to the beneficiary and may change a decision to make the payment to the beneficiary.
(i) If a fiduciary receives additional information about the application of this section to an entity distribution after the fiduciary has paid part or all of the entity distribution to a beneficiary, the fiduciary has no duty to change or recover the payment to the beneficiary but may consider that information in determining whether to exercise the power to adjust under Section 16327.