Please bear with me... How long did it take for Switzerland to start treating citizens of EU-10 and EU-2 countries, who were already living in Switzerland at the time, as EU citizens (5 year EU B permits, for example, instead of 1 year non-EU ones)? Immediately after accession or after a couple of years?

Again, this is not a question about quotas for new permits, but about citizens of new EU countres already in Switzerland at the time of their countries' accession.

LiquidPaper (looking forward to being EU)

Taking Poland as an example, joined EU 2004, full EU rights in Switzerland as of April 2011.

Thank you, Swissbob. Does that also mean that, for example, someone from Poland who arrived in Switzerland in 2003 had yearly non-EU B permits all the way through April 2011?

A polish colleague was provided with a 5 year permit on arrival in 2008. That doesn't really answer your question - maybe someone who has renewed would know?

Switzerland wrote individual bilateral agreements with each & every EU country, not one overall agreement with the EU.
You will have to read each agreement to see exactly when it came into effect or comes into effect for newer EU countries.

On many bilateral topics that is correct but as far as freedom of movement goes it is an EU wide agreement.

Thank you, Marton!

Spurred on by your comment, I Googled " bilateral agreement Switzerland EU", and, on this page:
http://www.europa.admin.ch/themen/00...x.html?lang=en

found that the additional agreements on free movement of persons came into effect for EU-8 in April 2006, and for EU-2 in June 2009, so about two years after each wave of enlargement. I assume this means that EU-8 citizens were treated as non-EU until April 2006, which is what I wanted to know.

If anyone else has personal experiences to share, please do.

you can read here too
http://www.bfm.admin.ch/bfm/en/home/...z-eu-efta.html

Not quite. For initial entry purpose the EU 8 were treated the same as non EU states until April 2011 except ing quota regulations. i.e. Must have a sponsored job offer, subject to quota (special one, not non EU quotas), permit could be refused.

Only from April 2011 have the EU 8 been treated exactly the same as the older EU states.

I agree, Swissbob; what I meant was, the new EU citizens already in Switzerland were definitely treated as non-EU until at least two years after their countries' joining. Your friend's receiving a 5 year B in 2008 is consistent with this -- once you were in CH after 2006 as a Polish citizen, you got a 5 year EU B.