(a) A document is filed when it is received by the department or by any other person which the department by regulation or order may designate.

(b) The department shall keep a register of all registrants, registration statements and notice filings which are or have ever been effective under this act and all denial, suspension or revocation orders which have been entered under this act. The register shall be open for public inspection.

(c) The information contained in or filed with any registration statement, application, notice filing or report shall be made available to the public in accordance with regulations prescribed by the department; except that the department may make the following orders or regulations:

(d) The department upon request shall furnish to any person, at a reasonable charge, a copy of any document described in subsection (c) in any medium available to the department. Upon request and payment of a reasonable charge, the document may be certified under the seal of the department.

(e) The department, by order, may subsequently make public information contained in the documents described in subsection (c)(1) and (2), and the order may limit the amount of information made public or place conditions on its use. Prior to issuing an order under this subsection, the department shall notify in writing the person who originally requested confidentiality at the person's last known address in the department's files at least thirty days before the department may issue an order under this subsection.