On December 8, 2016, Viersen's Private Member's Motion (M-47) received unanimous consent in the House of Commons.

[5] The official text of this motion reads: "That the Standing Committee on Health be instructed to examine the public health effects of the ease of access and viewing of online violent and degrading sexually explicit material on children, women and men, recognizing and respecting the provincial and territorial jurisdictions in this regard, and that the said Committee report its findings to the House no later than July 2017.

[7] In June 2022, after the Supreme Court of the United States decision in Dobbs v. Jackson Women's Health Organization overturned abortion rights from Roe v. Wade, Viersen celebrated the ruling on Facebook, calling abortion in Canada the "greatest human rights tragedy of our time.

"[8] On May 6, 2024, Viersen put forward a petition calling for the government to restrict abortion.

[9] In a June 2024 interview on Liberal MP Nathaniel Erskine-Smith's podcast, Viersen said that he would vote against abortion, gay marriage.