What you may not have heard is that days earlier, New York’s City Council passed a bill approving a 5-cent fee on each paper carryout bag. Mayor de Blasio supports the fee, which is expected to take effect next March, on the same day the plastic bag ban begins.

If it seems like the city is trying to get you to abandon single-use bags, you’re right.

“We’ve developed a throwaway culture in which we use something once,” said Councilman Brad Lander, Democrat of Brooklyn and a sponsor of the paper bag fee. “There are some behaviors that we need to change that turn out not to be that hard to change.”

Here’s what you need to know:

Remind me, which plastic bags will be banned?

Essentially, the plastic bags you get at grocery stores and bodegas.

What about plastic bags for takeout food at restaurants?

Those will not be banned. Neither will plastic bags purchased in bulk, like garbage bags.