How to return an old iMac?

Here's a link to info regarding trading in or recycling your old Apple tech:

https://www.apple.com/shop/trade-in

Also, you could simply call your local Apple Store and arrange to drop off the old Mac there for recycling.

The return label is under the shipping label that came on the box sent to you. Please look, it's there.

I received a return box to send in my old mac, I have not gotten a return shipping label. How can I get it please , thx Tom