All funds collected by the department pursuant to this article, whether from the sale of food, the disposition of assets other than land, the lease of land or minerals or any other source, shall be paid into a special revenue account to be used for the purposes of this article: Provided, That when the remaining balance at the end of any fiscal year of the funds so collected and deposited in the special revenue account exceeds $1 million, the department may transfer the excess funds to the Department of Agriculture Capital Improvements Fund established in §19-1-4e of this code.