1. -- additional. In order to implement this chapter, the commission may, in addition to the powers and duties otherwise authorized by this chapter:
A. Adopt an official seal;
B. Compel attendance of witnesses and require production of evidence;
C. Designate or request municipal, state or federal agencies to receive applications, provide assistance, make investigations and submit recommendations;
D. Conduct joint hearings with municipal officers or other appropriate state or local agencies where joint approval may be required; and
E. Sue and be sued in its own name, plead and be impleaded.