Which type of filing is permitted for immediate relatives and certain petitions?

The correct answer is the type of filing that allows immediate relatives of U.S. citizens to simultaneously submit their visa petition and the application for adjustment of status. This filing method is known as concurrent filing.

Concurrent filing offers the advantage of processing both the immigrant petition and the application for a Green Card (adjustment of status) at the same time, which can significantly reduce the total time an applicant spends in the immigration process. This is particularly beneficial for immediate relatives, who do not face numerical limitations on their visa category and allows them to expedite their residency process.

Other filing types, such as back-end, retrogressive, or defensive, are not recognized categories in the context of immigrant visa applications. Thus, they do not serve the purpose of allowing immediate relatives to initiate their immigration process effectively. Understanding concurrent filing is crucial for those in the process of seeking immigration benefits, as it streamlines the application process for those who qualify.