(b) Simple interest on claims shall be paid at the rate, fixed by the Secretary of the Treasury as provided in the Disputes statute, which is applicable to the period during which the contracting officer receives the claim and then at the rate applicable for each 6-month period as fixed by the Treasury Secretary during the pendency of the claim. (See the clause at 52.232-17 for the right of the Government to collect interest on its claims against a contractor.)