H1B Receipt number generation time?

[ndahagam]

My H1B change of employer application reached USCIS on 03-July-2017, but I haven't yet received USCIS receipt number?
How much time does USCIS take to generate the receipt number?

[raghvi]

My H1B change of employer application reached USCIS on 03-July-2017, but I haven't yet received USCIS receipt number?
How much time does USCIS take to generate the receipt number?

4th July was a holiday, typically 7-10 Working days.

This is my opinion not legal advice.

[sowoak]

My H1B change of employer application reached USCIS on 03-July-2017, but I haven't yet received USCIS receipt number?
How much time does USCIS take to generate the receipt number?

did you receive USCIS receipt number?