Section 66, The National Civil Registration Act, 2016

(1) Where a notice, certificate or other document isauthorised or required by or under this Act to be given or furnished to or served on a person or an application in writing is authorised by this Act to be made to a person, the giving, furnishing, serving or making shall be effected in any of the following ways- (a) where it is addressed to him by name, by delivering it to the person; (b) by leaving it at the address at which the person ordinarily resides or, in a case in which an address for service has been furnished, at that address; or (c) by sending it by ordinary prepaid post addressed to him at the address at which he ordinarily resides or, in a case in which an address for service has been furnished at that address.