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:
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mean MusclePharm's gross sales (the gross invoice amount billed customers) of the Licensed Products, less discounts and allowances actually shown on the invoice (except cash discounts, transportation costs and commissions not deductible in the calculation of Royalty) and less any bona fide returns (net of all returns actually made or allowed as supported by credit memoranda actually issued to the customers not to exceed 5% in any reporting cycle), the aggregate of which discounts and allowances shall not exceed 5% in any reporting cycle. No other costs incurred in the manufacturing, selling, advertising, and distribution of the Licensed Products shall be deducted nor shall any deduction be allowed for any uncollectible accounts, allowances or bad debt. (ii) A Royalty obligation shall accrue upon the sale of the Licensed Products regardless of the time of collection by MusclePharm. For purposes of this Agreement, Licensed Products shall be considered "sold" upon the date when such Licensed Products are billed, invoiced, shipped, or paid for, whichever event occurs first. (iii) If MusclePharm sells any Licensed Products to any party affiliated with MusclePharm, or in any way directly or indirectly related to or under the common control with MusclePharm, at a price less than the regular price charged to other parties, the Royalty payable to Lender shall be computed on the basis of the regular price charged to other parties. (iv) All payments due hereunder shall be made in United States currency drawn on a United States bank, unless otherwise specified between the parties. (v) During the Term and during the sell-off period, MusclePharm shall make royalty payments in U.S. dollars for the respective quarters ending on the last day of September, December, March and June (each, a "Royalty Period") within thirty (30) days from the end of each quarterly period. Each such royalty payment shall include an itemized statement showing the nature and source of such royalties, including (i) the number of units of Licensed Products sold (by country and customer); (ii) the total number of units returned for which credit was given and the total dollar amount of such credits, and (iii) the total gross sales and the total royalties due with respect to such gross sales, and each itemized statement shall be certified by a duly authorized officer of MusclePharm. Such statements shall be in the form attached hereto as Exhibit "B" and furnished to Lender whether or not any Licensed Products were sold during the Royalty Period. Source: MUSCLEPHARM CORP, 10-K/A, 2/8/2017 (vi) MusclePharm will send all statements and payments, including all royalties, to the Lender to the address set forth in Section 20 below. MusclePharm will make all payments payable to the Lender. (vii) Receipt or acceptance by Lender (or its authorized representative) of a royalty statement or receipt or acceptance of any accompanying royalty payment shall not prevent Lender from at any time within three years after the Term of this Agreement questioning the validity or accuracy of such royalty statement or payment. (viii) MusclePharm's obligations for the payment of a Royalty and the Guaranteed Minimum Royalty (as defined below) shall survive expiration or termination of this Agreement and will continue for so long as MusclePharm continues to manufacture, sell or otherwise market the Licensed Products. Notwithstanding the foregoing, Lender shall be entitled to receive a guaranteed minimum royalty for each Contract Year including the Additional Term, if any (the "Guaranteed Minimum Royalty"), payable in accordance with Exhibit "C" attached hereto. 8. Stock: (a) Within three (3) days of the execution and delivery of this Agreement and prior to any news release or public disclosure of the existence of this Agreement, its terms and conditions, or the relationship of the parties hereto, whether pursuant to a press release, a current report on Form 8-K or other filing with the Securities and Exchange Commission or otherwise (the "Issuance Date"), MusclePharm shall issue Lender 780,000 shares of MusclePharm's restricted stock (the "Compensation Shares"), for services performed and to be performed pursuant to this Agreement. All Compensation Shares will be fully vested upon issuance, and for a period of six (6) months following the date hereof, Lender may not sell in excess of fifty percent (50%) of the Compensation Shares without the prior consent of MusclePharm; provided, that, the Lender shall be entitled, without the prior consent of MusclePharm, to transfer the Compensation Shares at any time to affiliates and family members so long as such transfers are in compliance with state and federal securities laws and such transferees agree to
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Extract the exact clause related to "Competitive Restriction Exception" from the excerpt above.