Tenn. Code Ann. § 12-4-116

Notwithstanding any law, rule or regulation to the contrary, local governments may satisfy any requirement for mailing by distributing invitations to bid, requests for proposals and other solicitations electronically. In addition, local governments may receive bids, proposals, and other offers electronically. In order to assure the fullest possible participation of small businesses and minority-owned businesses, local governments shall not require such small businesses and minority-owned businesses to receive or respond to invitations to bid, requests for proposals, or other solicitations electronically.