MONTREAL -- The Canadian Vaping Association has filed a legal challenge against a Quebec law that limits the use of electronic cigarettes.

Bill 44 prohibits the testing of e-cigarettes in specialty shops, bans in-store display and promotion and forbids online sales of any vape product.

The association describes itself as a national group of advocates, retailers, manufacturers and distributors of the electronic cigarette industry.

The legislation took effect last November, although certain provisions come into force later this year.

Imperial Tobacco has also launched a legal challenge against certain parts of the law and wants a judge to strike them down on constitutional grounds.

The law also bans flavoured tobacco, lighting up on restaurant patios and smoking inside vehicles that have minors.