Letter from HMRC

I registered as a retailer ltd company in uk last month. And just in process to start buisness on amazon as a wholesale dealer.my working is not start yet but i received lof pf letter from hm revenue & customs.but guide me what is important for me.

Why hm4c send me activation code can i must need to regiistered? Or panelty in future?

You’ll be fined if you don’t register. Google UK tax late payment penalty.

This access code gives you access on your HMRC gateway, did you set one up?

You’ll automatically have to pay file accounts & pay corporation tax since you’re a Ltd company. Yes, you’ll get penalties if you don’t file and pay on time.