What are complex immigration issues?

Complex immigration issues involve scenarios where various factors intertwine, making the case more intricate than a simple immigration matter. The correct choice highlights how factors such as an individual's criminal history, visa overstays, or other personal circumstances can create a more challenging situation. For example, when assessing an immigration case, an officer must consider not only the visa requirements but also any past legal issues that could affect the person's ability to adjust their status or remain in the country.

This level of complexity necessitates a thorough understanding of immigration law, as well as the ability to evaluate how multiple elements impact each other. Unlike straightforward visa applications, which may follow a clear path based on established guidelines, complex cases require careful analysis to arrive at the correct legal outcome.

In contrast, the other options represent more straightforward scenarios. Situations involving only simple visa applications or singular issues like labor certification applications do not encompass the multifaceted nature of complex immigration issues. Similarly, concerns limited to expired travel permits lack the depth and complication found in cases where various legal and factual aspects are at play.