https://www.murthy.com/2020/04/13/newsflash-delays-in-issuing-receipts-for-
cap-subject-h1b-petitions/
(USCIS) announced today that it will not issue receipt notices or begin data
entry for cap-subject H1B petitions until at least May 1, 2020.
The USCIS further cautions of a general delay in processing cap-subject H1B
petitions.
Per the announcements, these delays are the result of health and safety
protocols related to the COVID-19 pandemic.