Typically, there are four or five stages to a green-card application, whether employer-sponsored or self-sponsored.rn1. The employer or self-sponsor must determine which of five employment-based (EB) immigrant visa categories under which to petition (see 'Employer- or self-sponsorship').rn2. For employer-sponsored green cards, the employer must get labour certification from the US Department of Labor in some cases. It is not necessary under any subgroups of EB1 ('Priority Worker'), or the National I nterest Waiver subgroup of EB2. Certification can take up to eight months.
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