Congress of Sonora

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The Congress of the State of Sonora (aka Congress of Sonora) is the legislative branch of the government of the State of Sonora. The Congress is the governmental deliberative body of Sonora, which is equal to, and independent of, the executive. The Congress of Sonora is an unicameral legislature.

The current session of the Congress consist of 33 local deputies (21 were elected by the first-past-the-post system and 12 by proportional representation). Deputies are elected to serve for a three-year term. Since its installation the congress has been renewed 57 times, hence the current session of the Congress of Sonora (whose term lasts form 2006 to 2009) is known as the LVIII Legislature.

[edit] Composition

See Main Article: LVIII Legislature

Party	Deputies (2006-2009)	Deputies (2003-2006)	Diff
Institutional Revolutionary Party	14	17	-3
National Action Party	13	12	+1
Party of the Democratic Revolution	3	2	+1
New Alliance	2	0	+2
Labor Party	1	0	+1

Note: The LVII Legislature consisted of 31 deputies; the LVIII Legislature consists of 33.

[edit] History

Since 1917 the Congress has been composed as follows:

From 1917 to 1931 it was composed of 15 deputies.
From 1931 to 1970 it was composed of 9 deputies.
From 1970 to 1979 it was composed of 11 deputies.
From 1979 to 1982 it was composed of 19 deputies (15 elected by the first-past-the-post (FPP) system and 4 by the proportional representation system (PR).
From 1982 to 1988 it was composed of 24 deputies (18 elected by the FPP system and 6 by the PR system).
From 1988 to 1994 it was composed of 27 deputies (18 elected by the FPP system and 9 by the PR system.
Since 1994 the Congress is composed of 33 deputies (21 elected by the FPP system and 12 by the PR' system.
The LVII Legislature (2003-2006) was composed of 31 deputies.
The current session is composed of 33 deputies (21 elected by the FPP system and 12 by the PR system.