; and (B) require the operator, upon request of a parent whose child has provided personal information to that website or, online service, including a service provided through a mobile application, upon proper identification of that parent, to delete any personal information collected from such child. . 3. Federal Trade Commission study (a) In general (1) Not later than 2 years after the date of enactment of this Act, the Commission shall conduct a study on the knowledge standard found in section 1303(a)(1) of the Children’s Online Privacy Protection Act of 1998 ( 15 U.S.C. 6501 et seq). (2) In conducting such study, the Commission shall— (A) consider whether the existing knowledge standard is still appropriate for accomplishing the goals of this Act; (B) consider the affect changing such knowledge standard will have on children’s online privacy, including whether it will increase or decrease such privacy; (C) consider the feasibility of complying with any change to such knowledge standard; (D) whether any Federal agency has studied such change; and (E) whether any think tank or privacy advocacy or digital rights group has studied such a change. (3) Based on the study, the Commission shall— (A) develop recommendations as to whether the knowledge standard should be changed; (B) develop recommendations as to what the new knowledge standard should be, if appropriate; (C) provide the basis for its recommendation to change the knowledge standard, if appropriate; (D) cite examples of Federal agency studies on changing the knowledge standard; and (E) cite examples of think tank or privacy advocacy or digital rights group studies on changing the knowledge standard. (b) Report to Congress Following completion of the study pursuant to subsection (a), the Commission shall report the results and recommendations to the Committee on Energy and Commerce of the House of Representatives and the Committee on Commerce, Science, and Transportation of the Senate.