H1B along with valid B1

[nnaruka]

I have valid B1 and travelled once and travelling now twice.

Filed H1B though current employer.. I happen to know H1 will not be processed if a person is traveling on B1 to US. Is this correct..?

If yes, Any pointers in terms of URL?

Regards
Yogi ****

[yandresyuk]

That information is not correct