First Lien Payment Default Notice

First Lien Payment Default Notice. Shall mean a written notice from First Lien Lender to Second Lien Lender pursuant to which Second Lien Lender is notified of the occurrence of a First Lien Payment Default, which notice incorporates a reasonably detailed description of such First Lien Payment Default and expressly refers to this Agreement and indicates that it is a "First Lien Payment Default Notice" for the purposes of this Agreement.