Where would you go to help a client considering changing their financial reporting to IFRS? 2) if you are dealing with a tax issue, what are the various agencies, professional manuals, and/or journals that you might review to determine the appropriate answer?

 Where would you go to help a client considering changing their financial reporting to IFRS?

2)   if you are dealing with a tax issue, what are the various agencies, professional manuals, and/or journals that you might review to determine the appropriate answer?