Can someone please cite a regulatory requirement that our workers need to document that they have read revised procedures?  I consider this training if they can learn what they need from reading the new SOP (without more formal training), but I don't know if documentation of it is required or just tradition.

COM.10300	Knowledge of Policies and Procedures	Phase II
	The laboratory has a defined process and records indicating that all personnel are knowledgeable about the contents of the policies and procedures (including changes) relevant to the scope of their testing activities. NOTE: The form of this system is at the discretion of the laboratory director. Annual procedure sign-off by testing personnel is not specifically required. Evidence of Compliance: ✓     Records indicating that the testing personnel have read the policies and procedures, new and revised, OR records of another written method approved by the laboratory director