seems like corporate tax transparency would be a good first step.

> Congress already has access to tax returns for the purpose of writing tax legislation.

while that is the law that Congress can request/subpoena returns under §6103(f) of Title 26 [1], if it can just be ignored then Congress doesnt really have access.

[1] https://irc.bloombergtax.com/public/uscode/doc/irc/section_6...