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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the Note or Class that is applied to principal. "Note Interest Rate" means a per annum rate equal to, for: (i) the Class A-1a Notes, 1.85% (computed on the basis of a 360 day year consisting of twelve 30 day months), (ii) the Class A-1b Notes, One-Month LIBOR (or, upon the occurrence of a Benchmark Transition Event, the appropriate Benchmark Replacement) + 0.27% (computed on the basis of the actual number of days elapsed during the relevant Interest Period and a 360 day year), (iii) the Class B Notes, 1.98% (computed on the basis of a 360 day year consisting of twelve 30 day months), and (iv) the Class C Notes, 2.06% (computed on the basis of a 360 day year consisting of twelve 30 day months). "Note Interest Shortfall" means, for a Class and a Payment Date, an amount equal to the excess, if any, of the Accrued Note Interest for the Payment Date immediately preceding such Payment Date for the Class over the amount of interest that was paid to the Noteholders of that Class on the Payment Date immediately preceding such Payment Date, together with interest on the excess amount, to the extent lawful, at the Note Interest Rate for the Class for that Interest Period. A-24 Source: VERIZON ABS LLC, 8-K, 1/23/2020 "Note Monthly Interest" means, for a Class and a Payment Date, the aggregate amount of interest accrued on the Note Balance of the Class at the Note Interest Rate for the Class for the related Interest Period. "Note Owner" means, for a Book-Entry Note, the Person who is the beneficial owner of a Book-Entry Note as reflected on the books of the Clearing Agency or on the books of a Person maintaining an account with the Clearing Agency (as a direct participant or as an indirect participant, in each case according to the rules of the Clearing Agency). "Note Paying Agent" means initially the Indenture Trustee and any other Person appointed as Note Paying Agent under Section 2.15 of the Indenture. "Note Pool Factor" means, for a Class and a Payment Date, a seven-digit decimal figure equal to the Note Balance of the Class after giving effect to any payments of principal of the Class on that Payment Date divided by the initial Note Balance of the Class. "Note Register" and "Note Registrar" have the meanings stated in Section 2.4 of the Indenture. "Noteholder" means the Person in whose name a Note is registered on the Note Register. "Noteholder Tax Identification Information" means properly completed and signed tax certifications (generally with respect to U.S. Federal Income Tax, IRS Form W-9 (or applicable successor form) in the case of a person that is a "United States Person" within the meaning of Section 7701(a)(30) of the Code or the appropriate IRS Form W-8 (or applicable successor form) in the case of a person that is not a "United States Person" within the meaning of Section 7701(a)(30) of the Code). "Notes" or "Note" means, collectively or individually, as the context may require, the Class A-1a Notes, the Class A-1b Notes, the Class B Notes and the Class C Notes. "Obligor" means the Person that has signed the account agreement of which the device payment plan agreement that constitutes the Receivable is a part and who owes payments under the Receivable. "Officer's Certificate" means (a) for the Issuer, a certificate signed by a Responsible Person of the Issuer, (b) for the Depositor, the Administrator, the Marketing Agent, the Parent Support Provider, any Originator or the Servicer, a certificate signed by any officer of such entity, as applicable, (c) for the Master Trust, a certificate signed by a Responsible Person of the Master Trust and (d) for the Indenture Trustee, a certificate signed by a Responsible Person of the Indenture Trustee. "One-Month LIBOR" means, with respect to any Interest Period for which One-Month LIBOR is the Benchmark, the London interbank offered rate for deposits in U.S. Dollars having a maturity of one month commencing on the related LIBOR Determination Date which appears on the Reuters Screen LIBOR01 Page as of 11:00 a.m., London time, on such LIBOR A-25 Source: VERIZON ABS LLC, 8-K, 1/23/2020 Determination Date; provided, however, that for the first Interest Period, One-Month LIBOR shall mean an interpolated rate for deposits based on London interbank offered rates for deposits in U.S. Dollars for a period that corresponds to the actual number of days in the first Interest Period. If the rates used to determine One-Month LIBOR do
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Extract the exact clause related to "Covenant Not To Sue" from the excerpt above.

assistant: Not found.