127. By way of exception to section 13, an elector whose name is not entered on the list of electors for the electoral division where it would rightfully be entered may be allowed to vote upon the following conditions:
(1) he makes the declaration contemplated in section 117;
(2) two electors entered on the list of electors for the same electoral division declare under oath that the person applying to vote is a qualified elector.
An entry thereof shall be made in the poll book.