ment , ▁grant ing ▁Quebec ▁a ▁de ▁fact o ▁v eto . ▁The ▁Federal ▁parliament ▁also ▁officially ▁recognized ▁Quebec ▁as ▁a ▁distinct ▁society . ▁Both ▁changes , ▁not ▁being ▁constitution al ▁am end ments , ▁are ▁theoret ically ▁revers ible ▁by ▁future ▁parliament s . ▁ ▁" Plan ▁B " ▁ ▁Chr ét ien ▁also ▁purs ued ▁what ▁he ▁called ▁" Plan ▁B " ▁in ▁hopes ▁of ▁convin cing ▁Quebec ▁vot ers ▁that ▁economic ▁and ▁legal ▁obst acles ▁would ▁follow ▁if ▁Quebec ▁were ▁to ▁declare ▁itself ▁so ver eign ; ▁its ▁public ▁face ▁would ▁become ▁professor ▁St é ph ane ▁D ion . ▁ ▁This ▁included ▁a ▁reference ▁to ▁the ▁Supreme ▁Court ▁of ▁Canada , ▁which ▁followed ▁Federal ▁inter vention ▁post - refer endum ▁into ▁the ▁Ber tr and ▁case : ▁The ▁ 1 9 9 8 ▁Reference ▁Re ▁Sec ession ▁of ▁Quebec ▁stated ▁that ▁un il ater al ▁se cess ion ▁was ▁illegal , ▁would ▁require ▁a ▁constitution al ▁am end ment , ▁and ▁that ▁only ▁a ▁clear ▁majority ▁on ▁a ▁clear ▁question ▁could ▁bring ▁about ▁any ▁sort ▁of ▁oblig ation ▁on ▁the ▁federal ▁and ▁provincial ▁govern ments ▁to ▁negoti ate ▁se cess ion . ▁ ▁After ▁the ▁decision , ▁the ▁Liberal ▁government ▁passed ▁the ▁Clar ity ▁Act , ▁which ▁stated ▁that ▁any ▁future ▁refer endum ▁would ▁have ▁to ▁be ▁on ▁a ▁" clear ▁question " ▁and ▁that ▁it ▁would ▁have ▁to ▁represent ▁a ▁" clear ▁majority " ▁for ▁the ▁federal ▁Parliament ▁to ▁recognize ▁its ▁valid ity . ▁Section ▁ 1 (