You may have received an email from Finances Publiques confirming that your CFE bill has been posted to your impots.gouv.fr account.
This tax is due by any French business in it’s second calendar year. If you created your business in 2022, you will have a CFE bill. You will only have an exoneration if your 2022 turnover is below 5,000€.
You can what this video from my YouTube channel, showing you how to check and pay your 2023 CFE bill https://www.youtube.com/watch?v=it18X1XgXEs