As with many trade agreements, until being finalized, negotiations for the TPP were conducted with significant secrecy. Drafts of the agreement were kept classified during negotiations, and access to the working text was significantly restricted even for government officials and business representatives involved in the talks. Despite this, some sections of TPP drafts were leaked to the public by WikiLeaks, which published an intellectual property chapter draft in 2013, an environmental chapter draft in 2014, and the final intellectual property chapter in 2014.