(1) Each year on or before March 31, all persons engaged in mining coal in this state are required to compute and file the department of revenue form "gross proceeds #1" reflecting the preceding calendar year production. All information requested on this form must be furnished and the form must be signed by an officer of the firm mining the coal.

(2) A person who sells coal under a contract which is not an arm's length agreement must comply with subsection (1) and must upon request of the department furnish a copy of his federal income tax return and copies of his current sales contracts.

(3) A person who is producing coal and who uses the production in his own manufacturing and/or energy conversion process must comply with subsections (1) and (2) .