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Proposed Rule

Zinpro Corp.; Filing of Food Additive Petition (Animal Use); Reopening of the Comment Period

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Food and Drug Administration, HHS.


Notification; petition for rulemaking; reopening of the comment period.


The Food and Drug Administration (FDA or the Agency) is reopening the comment period for the notice of petition that appeared in the Federal Register of September 22, 2017, proposing that the food additive regulations be amended to provide for the safe use of chromium DL-methionine as a nutritional source of chromium in cattle feed. FDA is reopening the comment period to allow additional time for comments on environmental impacts.


FDA is reopening the comment period on the notice of petition published September 22, 2017 (82 FR 44367). Submit either electronic or written comments by January 25, 2018.


You may submit comments as follows. Please note that late, untimely filed comments will not be considered. Electronic comments must be submitted on or before January 25, 2018. The electronic filing system will accept comments until midnight Eastern Time at the end of January 25, 2018. Comments received by mail/hand delivery/courier (for written/paper submissions) will be considered timely if they are postmarked or the delivery service acceptance receipt is on or before that date.

Electronic Submissions

Submit electronic comments in the following way:

  • Federal eRulemaking Portal: Follow the instructions for submitting comments. Comments submitted electronically, including attachments, to will be posted to the docket unchanged. Because your comment will be made public, you are solely responsible for ensuring that your comment does not include any confidential information that you or a third party may not wish to be posted, such as medical information, your or anyone else's Social Security number, or confidential business information, such as a manufacturing process. Please note that if you include your name, contact information, or other information that identifies you in the body of your comments, that information will be posted on
  • If you want to submit a comment with confidential information that you do not wish to be made available to the public, submit the comment as a written/paper submission and in the manner detailed (see “Written/Paper Submissions” and “Instructions”).

Written/Paper Submissions

Submit written/paper submissions as follows:

  • Mail/Hand delivery/Courier (for written/paper submissions): Dockets Management Staff (HFA-305), Food and Drug Administration, 5630 Fishers Lane, Rm. 1061, Rockville, MD 20852.
  • For written/paper comments submitted to the Dockets Management Staff, FDA will post your comment, as well as any attachments, except for information submitted, marked and identified, as confidential, if submitted as detailed in “Instructions.”

Instructions: All submissions received must include the Docket No. FDA-2017-F-4399 for “Food Additives Permitted in Feed and Drinking Water of Animals; Chromium DL-Methionine.” Received comments, those filed in a timely manner (see ADDRESSES), will be placed in the docket and, except for those submitted as “Confidential Submissions,” publicly viewable at or at the Dockets Management Staff between 9 a.m. and 4 p.m., Monday through Friday.

  • Confidential Submissions—To submit a comment with confidential information that you do not wish to be made publicly available, submit your comments only as a written/paper submission. You should submit two copies total. One copy will include the information you claim to be confidential with a heading or cover note that states “THIS DOCUMENT CONTAINS CONFIDENTIAL INFORMATION.” The Agency will review this copy, including the claimed confidential information, in its consideration of comments. The second copy, which will have the claimed confidential information redacted/blacked out, will be available for public viewing and posted on Submit both copies to the Dockets Management Staff. If you do not wish your name and contact information to be made publicly available, you can provide this information on the cover sheet and not in the body of your comments and you must identify this information as “confidential.” Any information marked as “confidential” will not be disclosed except in accordance with 21 CFR 10.20 and other applicable disclosure law. For more information about FDA's posting of comments to public dockets, see 80 FR 56469, September 18, 2015, or access the information at:​fdsys/​pkg/​FR-2015-09-18/​pdf/​2015-23389.pdf.

Docket: For access to the docket to read background documents or the electronic and written/paper comments received, go to and insert the docket number, found in brackets in the heading of this document, into the “Search” box and follow the prompts and/or go to the Dockets Management Staff, 5630 Fishers Lane, Rm. 1061, Rockville, MD 20852.

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Carissa Doody, Center for Veterinary Medicine (HFV-228), Food and Drug Administration, 7519 Standish Pl., Rockville, MD 20855, 240-402-6283,

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In the Federal Register of September 22, 2017 (82 FR 44367), FDA gave notice that Zinpro Corp. had filed a petition to amend Title 21 of the Code of Federal Regulations in part 573 Food Additives Permitted in Feed and Drinking Water of Animals (21 CFR part 573) to provide for the safe use of chromium DL-Start Printed Page 60921methionine as a nutritional source of chromium in cattle feed.

Interested persons were originally given until October 23, 2017, to comment on the petitioner's environmental assessment. The environmental assessment was not placed on public display until October 13, 2017. On our own initiative, we are reopening the comment period to allow potential respondents to thoroughly evaluate and address pertinent environmental issues. The Agency believes that a 30-day extension allows adequate time for interested persons to submit comments without significantly delaying rulemaking on this important issue.

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Dated: December 20, 2017.

Leslie Kux,

Associate Commissioner for Policy.

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[FR Doc. 2017-27785 Filed 12-22-17; 8:45 am]