(1) Every fiduciary, except a receiver appointed by authority of law in possession of part only of the property of an individual, shall make under oath a return for any of the following individuals, estates, or trusts for which he acts, setting forth therein such information as may be prescribed by the department:
(a) Every individual having an adjusted gross income for the taxable year which exceeds five thousand dollars ($5,000);
(b) Every estate the gross income of which for the taxable year is twelve hundred dollars ($1,200) or over;
(c) Every trust the gross income of which for the taxable year is one hundred dollars ($100) or over.
(2) Any fiduciary required to make a return under this chapter shall be subject to all the provisions of this chapter that apply to individuals.