16 U.S. Code § 620f - Regulations and review
(1) Agriculture and Interior
(A) In general.— Except as otherwise provided in sections 620 to 620j of this title, regulations and guidelines required under this subsection shall be issued not later than June 1, 1998.
(4) Painting and branding
(A) In general
The Secretary concerned shall issue regulations that impose reasonable painting, branding, or other forms of marking or tracking requirements on unprocessed timber if—
(ii) the Secretary determines that, without the requirements, it is likely that the unprocessed timber—
(B) Minimum size
The Secretary concerned shall not impose painting, branding, or other forms of marking or tracking requirements on—
(i) In general The Secretary concerned may waive log painting and branding requirements—
(I) for a geographic area, if the Secretary determines that the risk of the unprocessed timber being exported from the area or used in substitution is low;
(II) with respect to unprocessed timber originating from private lands located within an approved sourcing area for a person who certifies that the timber will be processed at a specific domestic processing facility to the extent that the processing does occur; or
In making a determination under this paragraph, the Secretary concerned shall consider—
(i) the risk of unprocessed timber of that species, grade, and size being exported or used in substitution;
(ii) the location of the unprocessed timber and the effect of the location on its being exported or used in substitution;
(iii) the history of the person involved with respect to compliance with log painting and branding requirements; and
(A) In general
Subject to subparagraph (B), the Secretary concerned shall issue regulations that impose reasonable documentation and reporting requirements if the benefits of the requirements outweigh the cost of complying with the requirements.
(i) In general The Secretary concerned may waive documentation and reporting requirements for a person if—
(I) an audit of the records of the facility of the person reveals substantial compliance with all notice, reporting, painting, and branding requirements during the preceding year; or
The Secretaries of Agriculture and Interior shall, in consultation, review the definition of unprocessed timber under section 620e (7) of this title for purposes of sections 620 to 620j of this title and, not later than 18 months after August 20, 1990, submit to the Congress any recommendations they have with respect to such definition. Specifically, the Secretaries shall report on the effects of maintaining 2 size standards under section 620e (B)(ii)  and (iii) of this title.
 So in original. Probably should be section “620e(7)(B)(ii)”.
Source(Pub. L. 101–382, title IV, § 495,Aug. 20, 1990, 104 Stat. 725; Pub. L. 105–83, title VI, § 605,Nov. 14, 1997, 111 Stat. 1622.)
1997—Subsec. (a). Pub. L. 105–83redesignated first two sentences as pars. (1) and (2), respectively, and inserted headings, and substituted pars. (3) to (5) for last sentence which read as follows: “Except as otherwise provided in sections 620 to 620j of this title, regulations and guidelines under this subsection shall be issued not later than 9 months after August 20, 1990.”