Can you complete an H-1B transfer (moving from one job to another) while outside the US (traveling for 2 weeks), so that upon your return you can join the next

Can you complete an H-1B transfer (moving from one job to another) while outside the US (traveling for 2 weeks), so that upon your return you can join the next employer? Or do you have to physically be in the US while the request by the new employer is filed and accepted?