回复：Urgent! Help please! Can H1-B work part-time?

Of course H1-B can work part-time. I work part-time after back to work from maternity leave. My HR representatives filed an amendment to USCIS. It is the same H1-B; does not count as a new one. See links below. Good luck!

http://uscis.gov/graphics/howdoi/h1b.htm