If you have assets outside Malaysia, you should seriously consider setting up estate planning instruments to deal with those assets. This is due to the fact that different inheritance laws in different countries do not apply here.
For example, a Malaysian who owns foreign assets has done his local Will but has yet to set up any estate planning instrument outside Malaysia. Upon his demise, if nothing is done, his foreign assets may be distributed in accordance with the laws there. The entire estate administration process may even take twice the time it may require if there is a separate instrument set up in that particular foreign country. And the legal cost involved in the process may be considerably higher than locally.