Applicants for H-1B1 visas should already have a job offer from an employer in their chosen work area in the United States, but the employer does not have to file Form I-129, Petition for Non-immigrant Worker, and the applicant does not need to obtain a Notice of Approval, Form I-797 form before submitting the visa application.
ຜູ້ສະຫມັກທີ່ຂໍວີຊາ H-1B1 ຄວນຈະມີວຽກໃຫ້ເຮັດ ທີ່ນາຍຈ້າງຮັບຮອງເອົາແລ້ວ ໃນຂົງເຂດວຽກງານທີ່ຖືກມອບຫມາຍໃຫ້ ໃນສະຫະລັດອະເມລິກາ, ແຕ່ວ່າ ນາຍຈ້າງບໍ່ຈໍາເປັນຕ້ອງຍື່ນຄໍາຮ້ອງສໍາຫລັບຜູ້ເຮັດວຽກຊົ່ວຄາວ, ຟອມ I-129, ແລະຜູ້ສະຫມັກບໍ່ຈໍາເປັນຕ້ອງ ໄດ້ຮັບໃບແຈ້ງການອະນຸມັດ, ຟອມ I-797 ກ່ອນການຍື່ນຄໍາຮ້ອງຂໍວີຊາ.