So, the NYT seems to think any deferred payroll taxes under Trump’s executive order last night will be due next year.
Further, the reduction in payroll tax withholding will raise income taxes due on each paycheck. So, if the courts allow this, it looks like a net loss of money until tax refunds come in. Quote from the article about payroll taxes:
The uncertainty raises a host of questions for companies and workers, including a cascade of intricate tax questions, according to a recent analysis published by Joe Bishop-Henchman of the National Taxpayers Union Foundation. (For example: If workers owe less payroll tax, they would owe slightly more income tax; would employers change, on the fly and in the middle of the year, how much income tax they withhold?)
Edited for terrible typos