Certain conditions and activities may make an applicant ineligible for a visa. Examples of these ineligibilities include: drug trafficking; overstaying a previous visa; and submitting fraudulent documents. If you are ineligible for a visa, you will be informed by the consular officer and advised whether there is a waiver of the ineligibility available to you and what the waiver process is. Ineligibilities and Waiver: Laws contains the complete list of ineligibilities.
Misrepresentation of Material Facts or Fraud
Attempting to obtain a visa by the willful misrepresentation of a material fact or fraud may result in you becoming permanently ineligible to receive a U.S. visa or enter the United States.