premise: a. Disclosing Party will identify and mark its written Proprietary Information or NREL Protected Information disclosed hereunder as “Proprietary Information” or “NREL Protected Information”, as applicable, at the time it is conveyed to Receiving Party.  For Proprietary Information or NREL Protected Information first disclosed orally (i.e., information expressed by spoken words) hereunder, Disclosing Party will:  (i) identify such information as Proprietary Information or NREL Protected Information, as applicable, at the time it is conveyed to Receiving Party;  (ii) reduce such information to writing; and  (iii) provide an appropriately identified and marked copy of such writing to Receiving Party within thirty (30) days of such disclosure.