Complex sentence: The right to vote in municipal elections is extended to Spanish citizens living abroad; the Spaniard abroad, upon registering in a consulate, has the right to vote in the local elections of the last municipality they resided in.
Split into simpler sentences: The right to vote in municipal elections is extended to Spanish citizens living abroad. The Spaniard abroad, upon registering in a consulate, has the right to vote in the local elections of the last municipality they resided in.