erc: who: Texas. Legislature. House of Representatives. what: 83rd Texas Legislature, Regular Session, House Bill 847, Chapter 649 when: 20130614 where: https://texashistory.unt.edu/ark:/67531/metapth439087/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://texashistory.unt.edu/ark:/67531/