A Standard Clause that merging parties may use to condition a transaction's closing on Hart-Scott-Rodino (HSR) Act approval in a transaction that is or may be HSR-reportable. This Standard Clause discusses when parties may want to include an HSR Act closing condition, how to determine if a transaction is HSR-reportable, and how the HSR waiting period is impacted by issuance of a Second Request. This Standard Clause has integrated notes with important explanations and drafting tips.