london parliamentary committee thursday accuse british prime minister theresa may government give minister excessively wide power new bill transfer eu law british law bill question set government plan transpose european union law british statute book part brexit create scope minister alter legislation without full parliamentary scrutiny order make sure laws work properly transfer bill give minister excessively wide legislative power beyond necessary ensure uk law work properly uk leave eu say statement accompany report committee lawmakers parliament unelected upper chamber house lord government say power create bill strictly limit need allow smooth transition something say necessary give businesses certainty rule face britain eu membership end march 2019. nevertheless may whose conservative party outright majority parliament could force make concessions ease concern across political spectrum clear remain lawmaking stag thursday critical report house lord delegate power committee set alternative proposal would allow rigorous scrutiny change government want make transpose eu law report offer taste resistance may expect find house lord conservatives peer significantly outnumber rival party lord approve withdrawal bill become law early month government clear first many parliamentary hurdle win vote crucial legislation know eu withdrawal bill despite criticism amount government power grab brexit bill give uk minister 'excessively wide power parliament committee say