回複：關於美加雙重國籍與遺產稅:家人持美加雙重國籍,長住加.有來源於美國的證券投資收入.

It depends on the total assets of your relative. If he is a millionaire, chances are he may need to do some estate planning to minimize his estate tax liability. There are many ways to do it...

To give up his US citizenship is not as easy as suggested. Again it depends on his total assets. You have to pay a hefty departure fee for giving up US citizenship. You can QQH me and I can do some research for you.