Use Australian Nav Dynamics 2009 for Thailand company

Hi,

I have used NAV Dynamics 2009 since Feb 2011 for our Australian company but a forum newbie. 

We have recently set up a seperate company in Thailand. I hope to be able to just set up the new Thai company in our existing database with our exisitng license.  I assume I would need to buy a Thai language pack but I also wanted to know if my Australian license would suffice to cover all the legal requirements for Thailand.  Or would I need to purchase a Thailand localization pack also?

I would be greatful to hear any other tips on using NAV in Thailand.

Thanks

Jocelyn