Licensee shall keep, and shall cause its Affiliates and Sublicensees to keep, complete, true and accurate books of account and records for the purpose of determining the royalty amounts payable under this Agreement. Such books and records shall be kept at Licensee’s, or at the applicable Affiliate’s or Sublicensee’s, principal place of business, for at least five (5) years following the end of the quarterly period to which they pertain. Licensee agrees that the books and records of Licensee, and its Affiliates and Sublicensees, shall be open for inspection by CareFusion during such five (5)-year period by, at CareFusion’s option, either CareFusion or a public accounting firm for whom the party to be inspected has no reasonable objection, for the purpose of verifying Royalty statements or any other payment obligations hereunder. Such inspections may be made no more than once each calendar year, at reasonable times and on reasonable notice. Inspections conducted under this Section 5.5 shall be at CareFusion’s expense; provided, however, if a variation or error producing an increase exceeding **THE CONFIDENTIAL PORTION HAS BEEN SO OMITTED PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT AND HAS BEEN FILED SEPARATELY WITH THE COMMISSION.**of the amount owed for any period covered by the inspection is established in the course of any such inspection, then all reasonable costs relating to the inspection for such period and any unpaid amounts that are discovered shall be paid promptly by Licensee to CareFusion, together with interest thereon from the date such payments were originally due at the lesser of **THE CONFIDENTIAL PORTION HAS BEEN SO OMITTED PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT AND HAS BEEN FILED SEPARATELY WITH THE COMMISSION.** or the highest rate permissible by law, and any payment pursuant to this Section 5.5 shall be credited first to interest and then to any outstanding principal amount.