40 CFR 707.20 Chemical substances import policy. Subpart B - General Import Requirements and Restrictions (TSCA) [78 FR 37978, June 25, 2013]https://chemreg.net/regulations/gmsds_oct18-132.pdf/viewhttps://chemreg.net/@@site-logo/ChemReg-branding.png
40 CFR 707.20 Chemical substances import policy. Subpart B - General Import Requirements and Restrictions (TSCA) [78 FR 37978, June 25, 2013]