The US immigration laws are also very strict and are vigilant to ensure immigrants enter and stay legally. Hence the US immigration forms filed even with a minimal error gets rejected. The case is denied even if the immigration officials sense a small evidence of suspicion. So the applicant needs to be transaparent and truthful in all the information he provided in the US immigration forms. The US immigration forms come with detailed filing instructions that has the fees, the supporting documents and the mailing address and other instructions specific to the user.