Mayor TenHaken currently is the chair of the FCC Intergovernmental Advisory Committee, as a committee member they have to follow certain rules and guidelines in that position. According to the FCC they are only allowed to provide opinions to the FCC Commission. I was unable to find the specific rule that prohibits committee members from making accusations or pronouncements about other fellow lawmakers, like a city councilor he serves with, but I do know that Federal boards have to meet a much higher bar when it comes to conduct. I would think if Councilor Brekke made an inquiry to the FCC about his accusations they would look into the rules he must follow as a committee member.
Here is the video of Brekke’s press conference. I like how she compared Paul to a singer of a rock band and the council is the musicians in the band;
Here is the dust up between Starr and Jensen;