1. Short title This Act may be cited as the Whistleblower Protection Improvement Act of 2020 . 2. Additional whistleblower protections (a) Investigations as personnel actions (1) In general Section 2302(a)(2)(A) of title 5, United States Code, is amended— (A) in clause (xi), by striking and at the end; (B) by redesignating clause (xii) as clause (xiii); and (C) by adding after the clause (xi) the following: (xii) the opening of any investigation as a result of a disclosure protected by subsection (b)(8) (but not including any investigation that is ministerial or nondiscretionary); and . (2) Application The amendment made by paragraph (1) shall apply to any investigation opened (as described under section 2302(a)(2)(A)(xii) of title 5, United States Code, as added by such paragraph) on or after the date of enactment of this Act. (b) Right to petition Congress (1) In general Section 2302(b)(9) of title 5, United States Code, is amended— (A) in subparagraph (C), by striking or at the end; (B) in subparagraph (D), by adding or at the end after the semicolon; and (C) by adding at the end the following: (E) the exercise of any right protected under section 7211; . (2) Application The amendment made by paragraph (1) shall apply to the exercise of any right described in section 2302(b)(9)(E) of title 5, United States Code, as added by paragraph (1), occurring on or after the date of enactment of this Act. (c) Prohibition on disclosure of whistleblower identity (1) In general Section 2302 of title 5, United States Code, is amended by adding at the end the following: (g) (1) No employee of an agency may willfully communicate or transmit to any individual who is not an officer or employee of the Government the identity of, or personally identifiable information about, any other employee who has made, or is suspected to have made, a disclosure protected by subsection (b)(8), unless— (A) the other employee provides express written consent prior to the communication or transmission