Any n o ti ces or ot h e r c o mmunicat i o n s pro vided fo r hereunder may be m ade by h a nd , by certified or regist e red ma il , postage prepaid , return r eceipt requested , or by nati o na ll y recognized express cour ier services provided that the same are addressed to the party required t o b e notified at it s address first written above , or such other addres s as may hereafter be established by a party by written notice t o the other party. Notice s hall be considered accomplished on the date deli vered, three days after being mailed or one day after deposit with th e express courier, as applicable.