Scope and purpose
Consular processing includes category-specific visa eligibility and admissibility review. The official Visa Bulletin addresses immigrant visa availability; a petition approval does not necessarily mean a visa can be issued immediately.
Related rules and practical context
Form I-130 or Form I-129F petition processing is different from the consular visa stage. A provisional Form I-601A waiver does not waive every possible ground or guarantee that a consular officer issues a visa.