The personally identifiable information contained in reports under subsection (a) of this section may be withheld in accordance with section 
552
(b)(4) of title 
5. Any officer or employee of the Department of Agriculture who knowingly discloses confidential information as defined by section 
1905 of title 
18 shall be subject to section 
1905 of title 
18. Nothing in this subsection shall be construed to authorize the withholding of information from Congress.