Depending on your name, as they are sent alphabetically, you should get your French income tax return (avis d’imposition) soon. I received mine 2 weeks ago already.
Since last year if you pay social charges (prélèvements sociaux), they are added to your income tax return.
They used to be sent later on so you now get 2 bills in one.
It is advisable to set up monthly direct debits to pay your French bills and taxes. That way you don’t get charged 10% extra for paying your bills late.
See my previous posts about setting up direct debits or contact me for assistance.