Dear umbertoecho:
In regard to your first question if registering a participant for a meeting or conference of the OSCE organisation, would be a sign or statement of coaliton, associaton or amalgation with OSCE or other political or governmental institutions or international organisations like OSCE UNESCO, NATO, UNO, I would answer this question with a distinct NO, of course not.
The participants of the "civil society", that is organisations' type name to which the "The European Association of Jehovah's Christian Witnesses" situated in London would belong if it registered again for a conference, could be of any possible religious society or humanitaren organisations or any possible civil organisation
By participating and talking alone with the participants on the conference, displaying information material, may it be of other civil organisations (type 1) (e.g. religious organisations and churches, caritas universities, caritas, newspaper, clubs) or may it be diplomates/delegates of OSCE (tpye 2) (e.g. parliaments, state departments, governmental commitees for minorties, province governments of different countries), or of international organisations (type 3) (e.g. Council of Europe, Commonwealth of independent states, NATO, UNESCO, UNICEF, UNO, Worldbank), other OSCE institutions and Field activities (type 4) or National Human rights institutions (type 5) the 1) civil society (e.g. religious organisations and churches, universities, caritas, newspaper, clubs)
- no participant becomes a member of any other institution.
OSCE/ODIHR Conference Registration System http://meetings.odihr.pl/
The next annual conference in Warszaw , could be interesting and should not be missed if you would like to share important inform with diplomates of member countries, distribute new documents, build networks to establish or strenghen human rights of NGOs in member countries or beyond, in countries where human rights are not yet established. Under the current activities of that Bureau is the Observation Mission in Ukraine including preparing to deploy an Election Observation Mission (EOM) for these elections in October 2015.
ODIHR - Office for Democratic Institutions and Human Righs is situation in Poland Warszaw and is one of the OSCE organisations institutions/bureaus. ODIHR works in the field of election observation, reviewing legislation and advising governments on how to develop and sustain democratic institutuions. promoting democratic development, human rights, tolerance and non-discrimination, and the rule of law;
The Office conducts training programmes for government and law-enforcement officials and non-governmental organizations on how to uphold, promote and monitor human rights.
At the conference beginning on 21 Sep 2015 in Warszaw you could meet participants of 57 OSCE participating States, Partners for Co-operation, OSCE structures, civil society, international organizations and other relevant actors taking stock of the implementation of the OSCE human dimension commitments, discussing associated challenges, sharing good practices and making recommendations for further improvement.If you would like to take part at the conference e.g. as representative of civil society (e.g. as representative of this online discussion forum) you would register under the correct type of organisation and read the document
http://www.osce.org/odihr/170626?download=true info for civil societies.
You will find out that the participation is free of cost, but that travel and accomodation has to be born by yourself. A full equipped "IO, NGO room" (International Org., Non governmental org) would be available for the duration of the meeting. Further you could display info material on the tables next to the plenar room. You could distribute material by the conferences documents distribution system. If you would like to organise a sideevent you would have be faster and book earlier so that the other participants could be informed at time.
I would assume that short before the conference starts, all participants are informed about the other registered members and sideevents, so that you could prepare yourself for the conversations....
So much to show you how the conference registration ... a typical conventions organisation ... looks like.
Wether your concern would be to strenghen the freedom of your organsiaton or to strenghen the rights of victims of a cult in both cases it could be a good idea to communicate this with other institutions working on the field of human rights.
So the OSCE would be the right contact, concerning establishing investigation commissions in other countries. Reason for that is the meaning and importance, the role of the OSCE in the diplomatic decisions and its focus.
The OSCE has currently already the same if not more influence and supranational authority than NATO, every european country is member and many more.
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Regarding to your second question, if OSCE has a military connection.... to be continued.
