A person who, without first obtaining a license under this chapter , engages in the business or occupation of, or advertises or holds the person out as, or claims to be, or temporarily acts as, a mortgage banker, mortgage broker, or closing agent in this state is guilty of a class “D” felony and may be prosecuted by the attorney general or a county attorney. 88 Acts, ch 1146, §8 ; 2008 Acts, ch 1160, §21 ; 2009 Acts, ch 61, §31, 39 ; 2010 Acts, ch 1111, §6, 13