How long it will take to get the approval notice after approval of H1B


I got my approval of H1B petition on 30th October but notice is not received yet by my employer.How long it takes to get it because already 20 days passed but no communication from employer.Is there any chance of rejection or what may be the reason for delay.



It is usually received within 1-2 weeks but their SLA is 30 days. If not received within 30 days, they should contact USCIS.