Get your taxes done using TurboTax

No,  they do not attach to your future taxes.

That other person that replied gave a very good summary of the estimated tax voucher topic.

If you do not anticipate owing a relatively large tax bill (such as your one time  2023 ) on your future 2024

taxes to be filed, simply ignore these vouchers. 

You are fine.

Delete this worry out of your mind.