A non-immigrant B Visa allows you to stay for 15 days consecutively (without a work permit). If you attend business meetings for 12 days and want to stay longer as a tourist, can you? Would it help to travel to Cambodia and come back on a tourist visa?
TLDR : Answer Summary
A Non-Immigrant B Visa typically allows a stay of up to 90 days. If you have completed 12 days for business meetings and wish to extend your stay as a tourist, traveling to Cambodia and returning on a tourist visa may be an option to consider.