Generally, the consulate receives notice after the petition has been approved by the BCIS. Once the consulate receives the approval notice, we will contact the petitioner and beneficiary. The process will take anywhere from three to six months.enerally, the consulate receives notice after the petition has been approved by the BCIS. Once the consulate receives the approval notice, we will contact the petitioner and beneficiary. The process will take anywhere from three to six months.