Section 13.28 - Interpellation of officers(1) Upon the petition of 6 members of the senate, not more than 4 of whom belong to the same political party, or of 17 members of the assembly, not more than 9 of whom belong to the same political party, any appointive state officer shall appear before that house of the legislature to which the petitioning members belong, to answer written and oral interrogatories relative to any matter, function or work of such officer, relative to any act, omission or other matter pertaining to the powers or privileges exercised or duties performed by the officer or by any employee or subordinate of such officer, relative to the manner, conditions or terms of the officer's appointment or of any appointment made by the officer or relative to any act, omission or conduct unbecoming the position of any such officer. Such petition shall be in writing, shall be accompanied by written interrogatories, shall be signed by the petitioning members and shall be filed with the presiding officer of that house of the legislature to which such petitioning members belong.(2) Upon the joint petition of 6 members of the senate, not more than 4 of whom belong to the same political party, and 17 members of the assembly, not more than 9 of whom belong to the same political party, filed with the presiding officer of the senate, requesting an examination of any appointive state officer made subject thereto by sub. (1) before a joint session of the 2 houses of the legislature, such officer shall appear before such joint session and answer written and oral interrogatories as to any matters included in sub. (1).1983 a. 36 s. 96 (2); 1991 a. 316.