The federal rules are the same in Hong Kong, Singapore, Korea, Taiwan or anywhere else in the region. What changes is the detail around your situation: the relevant tax treaty, how your local retirement scheme (MPF, CPF, Pillar) is treated, what counts as a reportable foreign fund, and how your local tax credits feed back into your US return.
We handle those cross-border details specific to your situation across APAC. On the first call, we’ll work out which apply to you, so you don’t need to figure that out before reaching out.