Maintaining documentation and lawful status can significantly reduce complications during the immigration process. Even though adjustment of status applicants may remain in the United States while their application is pending, maintaining a valid nonimmigrant status such as H-1B or L-1 can provide a safety net if delays or issues arise. Keeping copies of approval notices, employment verification letters, travel documents, and immigration filings also helps respond quickly to requests for evidence or questions from USCIS. Careful record-keeping and compliance with immigration rules help ensure a smoother process and reduce the risk of unnecessary delays or denials.