Here is a quick index to some of our blog posts on the subject of Defective Pricing (or TINA - Truth-In-Negotiations Act)
1, Cost or Pricing Data - What is Cost or Pricing Data?
2. Government's Burden of Proof
3. Facts vs. Judgments
5. Obligation to Update - Contractors are required to "continuously" update proposal as cost or pricing data becomes available.
6. Government Remedies
7. Contractor Defenses - Some work, some don't.