@VballGirl66 an interesting question. Clearly I am biased to taxpayers doing their own taxes to the extent of their ability or feeling of security.
In this particular case, where H is resident in the US and has ONLY US tax filing requirement and the S has both US and Indian Income and therefore tax filings for both countries, the options are :
(a) (1) Each taxpayer files his or her own returns for both the USA and India -- MFS for the tax year 2023 or 2024 i.e., till they are both back in the same country. This would allow the H to file as usual and the S would use accounting firm ( very familiar with India taxes but may or may not be familiar with the US taxes ). Additionally the accounting firm's business connection is with the Indian entity.
(2) This would still leave the H + S to reorganize and pick-up the filings again when S returns back to USA -- a formidable effort often . Everything has to be co-related and copacetic.
I say this from experience , when I was employed overseas by a US Multinational. Coopers & Lybrand took care of my US and local/national filings. An additional component was gross -ups. It took me two years of recreation of their work so that I could take over once their support vanished. Therefore , I see this as a major impediment to getting back to your own. And this case is reasonably simple.
(b) The other option is as I described do all the USA ones ( which will be carried forward after S returns to USA and the basis for ) and let the accountants do the Indian one ( they are much familiar with that ).
I have nothing against accountants and/or tax professionals ( I was one for many years ) doing your taxes. However , I do think given that the availability of good stable tax software ( accountants also use very similar products without "step-by-step " feature ) makes it reasonable for most taxpayers to do their own. Additionally , in case of a challenge by the IRS, it is the taxpayer whom is on the hook ( defense by a CPA or EA or Tax Attorney is extremely expensive ).
You asked and so I responded -- granted this is my opinion only ( nothing to do TurboTax or any other entity ).
pk
