To obtain a copy of your Letter of Notification (LON), please refer to the steps below: 1) Login to ONE@ECDA ( https://one.ecda.gov.sg) 2) Select - My Profile 3) Select - Documents 4) Scroll down to the Letter of Notification (LON) section 5) Click View button 6) Click Down arrow or Save button (located at the top of the page) to download the LON.