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    Where can we find a textbook definition of a Tier 1 and Tier 2 supplier? I looked in FAR Definitions and could not locate a discrete definition. Thank-you.


    A similar AAP was asked several years ago and the answer can be found at the following link:



    Based on my research, there has not been anything new on the subject since the last AAP was posted.  The submitter should verify (if possible) with the author of the SOW what was intended in the use of those terms, since no standard definition exists.

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