Section 28.28 - Sanctions for violations(a)Disciplinary sanctions. Violations of section 3600A or of this subpart by Government employees shall be subject to the disciplinary sanctions authorized by the rules or policies of their employing agencies for violations of statutory or regulatory requirements.(b)Criminal sanctions. Violations of section 3600A may also be subject to criminal sanctions as prescribed in subsection (f) of that section. Section 3600A(f) makes it a felony offense, punishable by up to five years of imprisonment, for anyone to knowingly and intentionally destroy, alter, or tamper with biological evidence that is required to be preserved under section 3600A with the intent to prevent that evidence from being subjected to DNA testing or prevent the production or use of that evidence in an official proceeding.(c)No effect on validity of convictions. Section 3600A's requirements are enforceable through the disciplinary sanctions and criminal sanctions described in paragraphs (a) and (b) of this section. A failure to preserve biological evidence as required by section 3600A does not provide a basis for relief in any postconviction proceeding.