When cataloging  a  book published in  Canada  and  need  to establish a personal  name  in  connection with it,  the authority files of  the National Library  of  Canada  (NLC)  must  be  checked.   If   the  Canadians  have established one  of  their  own authors already, we  must  follow their choice of heading (cf. DCM C2).
 
The latest technology for checking NLC headings (more modern than DCM C2) is  to contact AMICUS, the Canadian online file.  At  LC  we telnet to it, and you may be able to  do  so from your own institutions.  You need a user-name and password to log on, which your NACO coordinator may be able to supply.  If  you can't check  AMICUS yourself, ask LC to do it. .
Remember also  that  if  what's  in question is  a  Canadian  corporate body, you're not allowed to establish it even  if  it's
not  in AMICUS-- give LC  the information in such cases and  LC  ask NLC to establish the heading for us.