account or pay royalties) or liability to Equifax. B. As of the Closing Date, all right, title and interest in and to (i) all APPLY customer level source code written in the TCL programming language associated with the Telco operation in St. Petersburg, (ii) source code written in the APPLY Basic programming language associated with Equifax's Canadian processing site in Montreal, (iii) all credit processing platform source code acquired by Equifax Credit Information Services, Inc. from Christopher T. Nelson and Zoot Enterprises, Inc., known as the "Zoot Code", that was used in the development of the APPLY software product, (iv) documentation related to the foregoing, and (v) all patents, patent rights and copyrights related thereto, shall be and at all times will remain the sole and exclusive property of Equifax. Equifax shall have the right to make, use, sell, copy, distribute, import, develop Derivative Works or enhancements of, and publicly perform and display, for any purpose, any of the foregoing assets without any obligation (including any obligation to account or pay royalties) or liability to Certegy. LICENSE: As of the Closing Date, Equifax and Certegy shall each have the perpetual, fully paid, worldwide right and license to make, use, sell, copy, distribute, import, develop Derivative Works or enhancements of, and publicly perform and display, for any purpose, the entire APPLY software product (to the extent the licensee does not already own the same), in both source and object code format, and the documentation thereof without any obligation (including any obligation to account or pay royalties) or liability to the other owner. In connection with Certegy's license to Equifax pursuant to the foregoing sentence, Equifax agrees to pay Certegy a one-time license fee of One Million One Hundred Thousand Dollars ($1,100,000.00), which fee will be treated as an intercompany payable from