This is mentioned in a Cryonic FAQ:
VIII-D. Is cryonics illegal anywhere ?
The Canadian Province of British Columbia (BC) is the only state or province in North America with an anti-cryonics law. Section 14 of Bill 3 (2004) of the Cremation, Interment and Funeral Services Act of BC forbids the marketing of cryonics, but BC citizens are not prohibited from making arrangements with cryonics organizations outside of BC. And BC funeral directors are not prohibited from shipping cryonics patients to cryonics organizations outside of BC according to a clarification notice on the website of the British Columbia Business Practices & Consumer Protection Authority. (For more information about British Columbia's anti-cryonics law, see my article British Columbia's Anti-Cryonics Law.)
In France an April 1968 decree by Jean-Marcel Jeanneney, the Minister of Health, prohibited the practice of cryonics.
Cryonics was declared illegal in the city of Nederland, Colorado, but the remains of the grandfather of Norwegian cryonicist Trygve Bauge is still stored there on dry ice − actually celebrated in an annual winter festival (see Frozen Dead Guy Days.)
Wacky.
http://www.dailycamera.com/boulder-county-news/ci_18282009?source=most_viewed
I'd imagine the efficacy is halfway between proper cryonics and embalming and burying; the more interesting part may be the festival. Nederland is a small town 20 miles from Boulder, CO. I doubt the festival attendees are cryonics advocates, but they don't seem prone to the negative associations corpsicles often raise. Perhaps it's just because Boulder, Colorado is full of weirdos, but I wonder if there are more exploitable effects in play.