Italian Electoral Law of 2017 | |
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Italian Parliament | |
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Citation | Law No. 165 of 2017 |
Enacted by | Chamber of Deputies |
Enacted by | Senate of the Republic |
Signed by | Sergio Mattarella |
Signed | 3 November 2017 |
Legislative history | |
First chamber: Chamber of Deputies | |
Introduced by | Ettore Rosato (PD) |
Passed | 12 October 2017 |
Voting summary |
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Second chamber: Senate of the Republic | |
Passed | 26 October 2017 |
Voting summary |
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Amends | |
Presidential Decree n. 361 of 1957 Legislative Decree n. 533 of 1993 Law n. 53 of 1990 Law n. 459 of 2001 Law n. 52 of 2015 | |
Status: Current legislation |
The Italian electoral law of 2017, colloquially known by the nickname Rosatellum after Ettore Rosato, the Democratic Party (PD) leader in the Chamber of Deputies who first proposed the new law, is a parallel voting system, which acts as a mixed electoral system, with 37% of seats allocated using a first-past-the-post electoral system and 63% using a proportional method, with one round of voting. The Chamber and Senate of the Republic did not differ in the way they allocated the proportional seats, both using the largest remainder method of allocating seats.[1][2]
The new electoral law was supported by the PD and its government ally Popular Alternative but also by the opposition parties Forza Italia, Lega Nord, and Liberal Popular Alliance.[3] Despite many protests from the Five Star Movement, the Democratic and Progressive Movement, Italian Left, and Brothers of Italy, the electoral law was approved on 12 October 2017 by the Chamber of Deputies with 375 votes in favor and 215 against,[4] and on 26 October 2017 by the Senate with 214 votes against 61.[5]
The law regulates the election of the Chamber and Senate, replacing Porcellum of 2005 and Italicum of 2015, both modified by the Constitutional Court of Italy after judging them to be partly unconstitutional.[6]