https://chemsec.org/product-passports-can-detoxify-the-market-but-not-everyone-likes-the-idea/
https://www.oecd-ilibrary.org/docserver/9789264293083-en.pdf?expires=1529901663&id=id&accname=guest&checksum=4A5E0B0C79A72EF7A887DDB0119B4594
https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/680142/Chancellor_to_Governor_February_2018.pdf