[1] Chris Coons (D‑DE), its lead Senate sponsor, intends it to "provide reliable data that’s needed to quantify the climate benefits of the United States’ investments in cleaner, more efficient manufacturing practices and to hold nations like China accountable for their emissions-heavy production of goods like steel.

"[2] John Curtis (R‑UT 3rd), the bill's lead House sponsor, describes it as "leveling the playing field in international competition" given US regulations and technology for cleaner energy.

[3] On July 9, 2024, representatives John Curtis and Scott Peters (D‑CA 50th) introduced the House version of the act,[7] with a total of 21 co-sponsors, ten Republicans and eleven Democrats.

[7] Peters describes the PROVE IT Act as a response to the European Carbon Border Adjustment Mechanism (CBAM),[7] which takes effect in 2026 after a reporting phase that began in October 2023.

[3] In July 2024, the American Iron and Steel Institute, Portland Cement Association, Climate Leadership Council, and five other trade associations and advocacy groups called on House representatives to co-sponsor, describing the bill as supporting "faster permitting and more balanced regulations for U.S. facilities across industries" and "better policies to promote more U.S. investment as a key tool for global decarbonization.

"[7] George Banks, suggests that former US Trade Representative Robert Lighthizer could favorably influence Republican thinking, especially if Donald Trump wins the 2024 Presidential election and appoints him USTR again.