Right of choice of electors residing abroad

1 - The choice between voting in person or by post by electors residing abroad is made at the respective registration board by the date of the assignment of each election.
2 - Electors registered abroad who do not exercise their right to choose between voting in person or by post by the date of holding each election, vote by correspondence.
3 - The option mentioned in the preceding paragraph can be changed at any time with the respective registration board abroad, except in the period between the date of assignment and the date of holding each election.