British North America Act. British North America Act, law passed by the British Parliament in 1867 that provided for the unification of the Canadian provinces into the dominion of Canada.Until 1982 the act also functioned as the constitution of Canada.ritish North America Act. British North America Act, law passed by the British Parliament in 1867 that provided for the unification of the Canadian provinces into the dominion of Canada.
Lipitor's generic name is atorvastatin. Two generic drugmakers, Ranbaxy and Watson, can start selling generic atorvastatin in the U.S. right away. Due to complex generic drug laws, other generic drugmakers will have to wait 180 days, until May 2012, to offer their own generic versions of Lipitor.
Identifier, a 14-digit code that contains 7 pairs of digits) to identify drugs that use the. same active ingredient and strength. For Lipitor, atorvastatin is the active ingredient and. GPI 39400010100320 is the GPI code for the 20mg version of this drug. Once generic versions enter the market, the 20mg versions of atorvastatin will share this GPI code with the branded version, Lipitor. By contrast, a generic drug would not share Lipitorâs NDC code, but would have a unique code of its own.