Not likely - 回複：使用AP會不會讓H1B無效啊？

c) An H-1 or L-1 holder who entered the United States on advance parole can apply for an extension of H or L status, and the approval of that extension would enable the person to return to the U.S. on H-1 or L-1 status. (To maintain that status, the person cannot seek outside employment.)

d) An H-1 or L-1 holder who travels out of the United States, and returns on advance parole, is authorized to continue working for the H-1 or L-1 employer. He/she would not be required to obtain an EAD to work for this same employer, within the validity dates of the H-1 or L-1 petition approval.

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