Any deviations from these instructions must be authorized in advance by NSF. Deviations may be authorized in one of two ways:
1. By the inclusion of specific different requirements in another NSF Announcement or Solicitation.
2. By the written approval of the cognizant NSF Assistant Director or designee. Such deviations may be a "blanket deviation" for a particular program or programs, or in rare instances an "individual" deviation for a particular proposal.
Proposers may deviate from these instructions only to the extent authorized. Proposals must identify the deviation in one of the following ways as appropriate: (a) by identifying the Program Announcement or Solicitation number in the appropriate block on the Cover Sheet for Proposal to the National Science Foundation, NSF Form 1207; or (b) by identifying the date of the deviation authorization, in the Program Announcement/Solicitation block on the NSF Form 1207, and including one copy of the written deviation authorization with the single-copy documents identified in paragraph B.