A lot of client meetings still start with the same assumptions: W-2 in a U.S. state, mortgage nearby, a 401(k), maybe some RSUs, and a college-savings plan. Yet many of those “simple” clients now own an apartment in another country, freelance for a foreign company, or have parents wiring money from overseas. The tax code does not see those details as background color; it treats them as organizing facts. This is where citizenship, residency, and domicile quietly step onto center stage. For planners, the challenge is not memorizing every cross-border rule. It is knowing when a client is no longer “just domestic” and shifting your planning framework before you stumble into penalties, double taxation, or blown opportunities.

Tax Research in an AI World
It has never been harder to do quality tax research than at any time in my 43-year career in tax accounting. In the 1980s, when I was part-time in the industry, there was no internet. Since I was part-time, I ordered Publications 1132, 17, and 334. The rest I found at the library. A few hearty souls might even remember when the post office had stacks of tax forms for the public. Once I went full-time for the 1989 tax season I needed more resources. CCH was my tool of choice. I still used IRS publications and the library. My handy reference guide of choice was, and still is, the QuickFinder. I never used TaxBook much, but it is another good resource for general answers. Then came the internet. The promise was that we would have the world at our fingertips. And for the large part we did, only we forgot some things we would rather keep at an arm’s length. The internet slowly allowed us to replace rooms in our office filled with tax guides and forms with online resources. Law offices and accounting firms often wrote tax articles on narrow tax subjects. Research was easier than ever.
Then came AI.


