Please find Venice Commission REPORT ON THE ROLE OF THE OPPOSITION

IN A DEMOCRATIC PARLIAMENT 

http://www.venice.coe.int/webforms/documents/default.aspx?pdffile=CDL-AD(2010)025-e

Here you find all relevant sources for your research. Good Luck!

In spanish

https://www.google.es/url?sa=t&source=web&rct=j&ei=piCVVY0jxd5RtuqDgAg&url=http://dialnet.unirioja.es/descarga/articulo/1273205.pdf&ved=0CEMQFjAJ&usg=AFQjCNFK_lEcmIaFiznY_7H9FqTnYHv3vg

The Journal of legislative studiesAño 2008, Vol. 14, Número 1-2. Dedicado a: Parliamentary Opposition in Old and New Democracies

In english a comparative perspective

http://dialnet.unirioja.es/ejemplar/199587

http://dialnet.unirioja.es/revista/4203/A/2006

Attached are some citations from JSOR (www.jstor.org)  Some comparative studies on parliamentary opposition.  See Stable URL for details of each article.

https://drive.google.com/file/d/0B8L-F7cTNJpbMGtES3JqNlZwbjg/view?usp=sharing

A scholarly article from US law review on constitutional structure in Iraq.  Possibly useful. 

https://drive.google.com/file/d/0B8L-F7cTNJpbeWg2YndCYXc3QWs/view?usp=sharing

Mr. William thanks so much for the answers, I've got most of the articles published on Jstor foundation related to this topic, unfortunately most  of them searched the topic in a political view, while I want know how the phenomenon is legally regulated in western democracies, the thing that I didn't find till now, but the second answer contains so much useful information. thank you again.

Perhaps this article about mixed member proportional representation in New Zealand will deal with some of the legal and constitutional issues around parliamentary opposition.  If useful please click on the green arrow to so indicate.    Best wishes for your research. 

https://drive.google.com/file/d/0B8L-F7cTNJpbdlpjS194UUgtUHc/view?usp=sharing

A study from a Spanish Minister of Spanish System can be found in:

"La oposición parlamentaria y el orden constitucional: análisis del Estatuto de la Oposición en España" 

Author: Juan Fernando López Aguilar Árbol académico

Year of publication: 1988

Thank you so much.

I will read some of the submissions that came in response to the question.  The very idea conveyed by the phrase "regulating opposition", and that it might be accomplished through formal means is frightening somehow.  Perhaps this has more to do with formally structuring the opportunity in a government for opposition to take its place and flourish.  In this latter case, "regulate" is not a restriction, but obligations imposed on the majority and the institution to permit a robust opposition with rights to be heard and affect legislation.  

I now assume my first thought was reflexive.

Thanks for a very interesting question and an opportunity to learn more.  

 Mr. Roderick Kennedy,

Thank you for the answer. Certainly legal and constitutional regulation of parliamentary does not mean restricted, but there is a big difference between the strength and role of parliamentary oppositions from a country to  another. As I think this difference beside of political culture belongs to  diversity of the level of constitutional and legal guarantees available for  parliamentary opposition.

 For example, in Britain Legal safeguards for parliamentary opposition reached to the level of creating a special legal system of parliamentary opposition which gives it a large force to performance its functions, while we don't see such a high level of legal and constitutional guarantees for it in other countries, consequently this led to the difference of opposition's strength and performance dramatically.

There is a tremendous amount of political studies on the subject from various political nooks, but as I think there is no enough legal and constitutional studies on the topic. This is a significant shortfall in constitutional and legal studies of parliamentary opposition. Admittedly, the parliamentary opposition study is still in its infancy stage especially in its legal and constitutional angel.

Our region(Kurdistan Region- north of Iraq) witnessed a parliamentary opposition experience is previous election period, but there was no given law related to its rights and duties, so the experience was faced so many restrains from the majority and the government because of the absence of a clear vision about parliamentary opposition's rights and duties.

I am trying  to introduce a legal and constitutional solution for this problematic issue in kurdistan through  comparing between experiences from advanced democracies.

thank you again.

Please find some bibliography clues from Polish constitutional literature (including links to online texts) in my answer to your other question: https://www.researchgate.net/post/Is_it_desirable_to_organize_the_responsibilities_of_parliamentary_opposition_according_to_the_certain_law_or_let_it_without_a_legal_organization

Dr. Wiszowaty,

Thank you so much.

Ibrahim