system: You are a contract-analysis assistant performing a span-extraction task. You are given an excerpt from a commercial contract and the name of a clause type to locate within it.

Return the exact text of the requested clause, copied verbatim from the excerpt — identical wording and punctuation, with no paraphrasing, summarising, explanation, or added commentary.

The excerpt is one window of a much longer contract and often will not contain the requested clause. If the requested clause does not appear in this excerpt, respond with exactly: Not found.

Output only the extracted clause text, or the exact string `Not found.` — nothing else.

user: Contract excerpt:
"""
the anniversary of the Effective Date Licensee gives written notice to XACCT of its intention not to renew. 5.2 XACCT may suspend or terminate Product Maintenance and Support Services if Licensee fails to timely pay Product Maintenance and Support Service fees as provided in this Agreement. XACCT may also terminate Support Services if Licensee breaches any provision of this Agreement or the License Agreement and such breach is not remedied within thirty (30) days after Licensee receives written notice of the breach. XACCT shall also have the right not to renew this Agreement with respect to any Product by providing written notice of such election at least sixty (60) days prior to the termination of Support Services for such Product, provided that XACCT no longer generally provides Support Services for such Product, or no longer provides the specific Support Services previously offered. 5.3 Product Maintenance and Support Services shall automatically terminate upon termination of the License Agreement. 6. REINSTATEMENT OR RENEWAL OF PRODUCT MAINTENANCE AND SUPPORT SERVICES In the event Product Maintenance and Support Services are terminated by Licensee by notice of non-renewal, Product Maintenance and Support Services shall be discontinued at the end of the then current term. If Product Maintenance and Support Services are terminated for any reason, at XACCT's sole option, Licensee may reinstate or renew Product Maintenance and Support Services by paying XACCT all applicable Product Maintenance and Support Services and reinstatement fees. 7. LIMITATION OF LIABILITY 7.1 Direct Damages. XACCT'S SOLE LIABILITY AND LICENSEE'S EXCLUSIVE REMEDY FOR DAMAGES WITH RESPECT TO THE SUPPORT SERVICES UNDER ANY CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHER THEORY, SHALL BE LIMITED TO THE AMOUNT PAID BY LICENSEE FOR THE SUPPORT SERVICES FOR THE PRIOR 12 MONTHS. XACCT'S SOLE LIABILITY AND LICENSEE'S EXCLUSIVE REMEDY FOR DAMAGES WITH RESPECT TO PRODUCT MAINTENANCE SHALL BE AS SET FORTH IN THE LICENSE AGREEMENT. 7.2 Consequential Damages. UNDER NO CIRCUMSTANCES, INCLUDING NEGLIGENCE, SHALL XACCT BE LIABLE FOR ANY SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOST PROFITS, LOSS OF DATA, OR COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, ARISING IN ANY WAY OUT OF THIS AGREEMENT OR THE USE OF THE PRODUCT AND DOCUMENTATION EVEN IF XACCT HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES OR LOSSES. 8. GENERAL This Agreement, the attachments and the License Agreement constitute the entire agreement between the parties regarding Product Maintenance and Support Services and supersede all previous agreements or representations, oral or written, regarding the subject matter. This Agreement may not be modified or amended except in a writing signed by a duly authorized representative of each party. Both parties acknowledge having read the terms and conditions set forth in this Agreement and attachments hereto, understand all terms and conditions, and agree to be bound thereby. The laws of the State of California shall govern all issues arising under or relating to this Agreement, without giving effect to the conflict of laws principles thereof. All disputes arising under or relating to this Agreement shall be resolved exclusively in the appropriate state court in Santa Clara County, California or in the federal court in the Northern District of California, and it is explicitly agreed that no other court shall have such jurisdiction. This Agreement shall not be governed by the United Nations Convention on Contracts for the International Sale of Goods IN WITNESS WHEREOF, the parties have caused this Agreement to be executed by their duly authorized representatives: LICENSEE XACCT TECHNOLOGIES, INC. By: By: --------------------------------- ----------------------------------- Name: Name: ------------------------------- --------------------------------- Title: Title: ------------------------------ -------------------------------- Date: Date: ------------------------------- ---------------------------------
"""

Extract the exact clause related to "Warranty Duration" from the excerpt above.

assistant: Not found.