[word=Commission] [tag=MD] ([□] | □) □
[word=Commission] [tag=MD] ([□=□] | □) □
[word=Commission] [tag=MD] ([□ | □] | □) □
Nevertheless , that is precisely what landline competitors , some states , and perhaps even the Commission may seek to do , notwithstanding these fundamental differences and Congress 's legislation establishing a federal regulatory system for CMRS providers .