# Issuance of Priority Review Voucher; Rare Pediatric Disease Product; Withdrawal
**AGENCY:**
Food and Drug Administration, Health and Human Services (HHS).
**ACTION:**
Notice; withdrawal.
**SUMMARY:**
The Food and Drug Administration (FDA) is withdrawing the notice that published in the *Federal Register* of September 30, 2021, that announced the issuance of a priority review voucher to the sponsor of a rare pediatric disease product application. The *Federal Register* notice was published in error and is being withdrawn.
**FOR FURTHER INFORMATION CONTACT:**
Stephen Ripley, Center for Biologics Evaluation and Research, Food and Drug Administration, 10903 New Hampshire Ave., Bldg. 71, Rm. 7301, Silver Spring, MD 20993-0002, 240-402-7911.
**SUPPLEMENTARY INFORMATION:**
In the *Federal Register* of September 30, 2021 (86 FR 54219) in FR Doc. 2021-21311, FDA announced the issuance of a priority review voucher to the sponsor of a rare pediatric disease product application for RETHYMIC (allogeneic processed thymus tissue-agdc), manufactured by Enzyvant Therapeutics, GmbH. The *Federal Register* notice was published in error and is being withdrawn.
Dated: October 1, 2021.
Lauren K. Roth,
Acting Principal Associate Commissioner for Policy.