Notices under this Sublease shall be in writing and shall be effective when actually delivered or two days after depositing in the United States Mails, certified, return receipt requested, directed to the other party at the address first set forth above. Either party may change its address for notices by written notice to the other party. Subtenant shall deliver to Sublandlord a copy of any notice or correspondence to or from Master Landlord, within 5 days after sending it or receiving it.