90 Early  discussion  about  the  choice  of  legislative  vehicles  and  the  methods  of complying  with  the  Guidelines  would  improve  the  quality  of  legislation  a  great deal.  It is often too late once the measure has been drafted.    91 Ongoing  discussions  about  how  this  can  be  achieved  have  been  commenced between the Law Commission, the Ministry of Justice, the Department of Prime Minister  and  Cabinet,  Treasury,  Chief  Parliamentary  Counsel  and  the  Solicitor General.  The desire is to find better ways of defining and analysing the optional architectures  available  for  Government  Bills,  how  they  fit  in  to  the  rest  of  the statute   book   and   what   the   balance   will   be   between   primary   and   delegated legislation.    Post-legislative scrutiny 92 As I have made clear in the earlier part of this lecture, we have been adding to the bulk of the law on a continuing basis.  What we do not do is to stop and conduct an inquiry into the effects of what we have done.  There are murmurings now that perhaps some mechanisms should be developed to look rigorously at the effect of legislation that has been passed and to ensure that it achieved the objectives upon which it was based and did not achieve unforeseen consequences of a deleterious kind.    It  seems  a  sound  idea  to  do  this  examination  before  rushing  in  with amendments as occurs so often in New Zealand.  The English Law Commission has recently published a Discussion Paper on post-legislative scrutiny.⁴¹ 93 The case in favour of carrying out some post-legislative scrutiny is put at 6.2 of the paper. The primary reason which has been recurrently suggested to us is that legislation should be reviewed after it has been brought into force to see whether it is working out  in  practice  as  intended  and  if  not  to  discover  why  and  to  address  how  any problems  can  be  remedied  quickly  and  cost-effectively.  This  driver  for  post- legislative  scrutiny  is  based  on  a  concern  that  every  year  a  huge  and  increasing amount  of  legislation  is  poured  onto  the  statute  book,  most  of  which  is  not thoroughly digested. Much of this generates further regulation either in the form of secondary legislation or in the form of codes and guidance. There may also have been a number of amendments introduced  with little time for scrutiny during the                                                  41   Law Commission Post Legislative Scrutiny (consultation paper no 178, London, 2006).            28