I don't know how to use the 843 ...you need more of an expert than myself, to figure out what you are attempting to do with it.
.......but the 843 can do absolutely nothing to change your 2024 W-4 itself....a W-4 is just a form you give to your employer to help them determine how much they should withhold for Federal taxes...and if they don't withhold enough, then it's on you to make up the difference.....either during the year......or at tax time.
.
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*
