Re:How the Maker of TurboTax Fought Free, Simple Tax Filing ...
by ascagnel_ on Monday March 18, 2019 @10:25PM
(#19427551)
And even if they do change, there's existing government records that issuing authorities could optionally pass along to the IRS -- hospitals generate birth and death records, towns issue marriage certificates, and courts issue divorces. This covers most changes in tax status, with really the only iffy area left is when parents decide to stop claiming their children as dependents.
If your marital status changed, or the number of dependents living with you changed, they can't calculate the taxes.
For most people these will not have changed.
The IRS could calculate taxes under the assumption of no changes, then send the taxpayer a report of assumptions made. If any of the assumptions are invalid, the taxpayer would only need to file corrections for those items.