A Standard Document a buyer may use to withdraw its premerger filing under the Hart-Scott-Rodino (HSR) Act to prevent issuance of a Request for Additional Information and Documentary Material, known as a Second Request. This Standard Document discusses when a buyer may engage in a pull and refile, when HSR filings are automatically withdrawn, the effect of the pull and refile, and the procedure for pulling and refiling an HSR form, including submission of the withdrawal letter, updating Item 4, and obtaining new affidavit and certification pages. This Standard Document has integrated drafting notes with important explanations and drafting tips.