Beginning of the commission
On May 11th, 2017, the First Trump Administration signed Executive Order 13799 to established the “Presidential Advisory Commission on Election Integrity”(EO 13799) (GovInfo) to “promote fair and honest Federal elections”(EO 13799, Preamble) and “study the registration and voting processes used in Federal elections.”(EO 13799, Sec. 3) This commission was presumably made after the claims illegal immigrants voting in the 2016 United States presidential election by Donald Trump.
Commission termination
The commission would later be terminated on January 3rd, 2018,(EO 13820) (GovInfo) after finding no major evidence of fraud that could affect an election outcome.(AP News, Villeneuve) (American Oversight)