6 unchanged sentences
In August 2021, we acquired all of the issued and outstanding shares of ACV Enviro Corporation.
−Removed: As permitted by the SEC Staff interpretive guidance for newly acquired businesses, management's assessment of our internal control over financial reporting as of March 31, 2022 did not include an assessment of internal control over financial reporting as it relates to this acquisition.
+Added: As permitted by the SEC Staff interpretive guidance for newly acquired businesses, management's assessment of our internal control over financial reporting as of June 30, 2022 did not include an assessment of internal control over financial reporting as it relates to this acquisition.
We will continue the process of implementing internal controls over financial reporting for this acquired business.
−Removed: As of March 31, 2022, this business contributed less than 2% of revenue to our unaudited consolidated financial statements for the three months ended March 31, 2022.
+Added: As of June 30, 2022, this business contributed less than 2% of revenue to our unaudited consolidated financial statements for the three and six months ended June 30, 2022.
+Added: In May 2022, we acquired all of the issued and outstanding equity of US Ecology.
+Added: As permitted by the SEC Staff interpretive guidance for newly acquired businesses, management's assessment of our internal control over financial reporting as of June 30, 2022 did not include an assessment of internal control over financial reporting as it relates to this acquisition.
+Added: We will continue the process of implementing internal controls over financial reporting for this acquired business.
+Added: As of June 30, 2022, this business contributed approximately 5% and 3% of revenue to our unaudited consolidated financial statements for the three and six months ended June 30, 2022, respectively.
+Added: In the second quarter of 2022, we implemented a new finance enterprise resource planning system, including a new general ledger accounting system.
+Added: The new system was implemented after a multi-year process to design and configure our accounting and financial reporting processes within the new system.
+Added: Our implementation of the new system was tested and reviewed by management.
+Added: Management, together with our Chief Executive Officer and Chief Financial Officer, has determined that the changes in our internal controls over financial reporting during the three months ended June 30, 2022 have not been material.
PART II - OTHER INFORMATION
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.