Congressional Budget Office Cost Estimate: S. 2450: A bill to amend the Federal Rules of Evidence to address the waiver of attorney-client privilege and the work product doctrine [open pdf - 16KB]
"S. 2450 would amend the Federal Rules of Evidence relating to the disclosure of information gained by a waiver of the attorney-client privilege and work product protection. The bill would apply to all proceedings commenced after the date of enactment, and when practicable, to proceedings pending on such date. CBO estimates that implementing S. 2450 would have no significant effect on the federal budget. Enacting the legislation would not affect direct spending or revenues."
Congressional Budget Office: http://cbo.gov/