A Letter of Authorization is used when the university is authorizing the recipient to carry out a certain action, and can only be signed by an authorized signatory of the university. 

(1) Initial contact with a sponsor indicating intent to submit a full proposal. (2) A letter indicating the university's intent to issue a subaward with the caveat that all expenditures incurred by the subrecipient are at their own risk.

Funding opportunities for which the university can submit only a limited, sponsor-defined number of proposals.