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NIH Visiting Program Scientists

Visiting Program Scientists

USCIS Administrative Site Visit and Verification Program (ASVVP)


Under the Administrative Site Visit and Verification Program (ASVVP), USCIS inspectors conduct random site visits (either in person or by phone/email) to ensure that both employers and beneficiaries (employees) are following H-1B regulations.  The site visits may include interviews of the employer and beneficiary, verification of the terms of employment, and verification that the employer is legitimate.

What should you do?

Notify DIS as soon as possible. If an inspector visits you in person, request identification and a business card to confirm the individual's identity. If contacted by email, ensure the individual is emailing from a ".gov" address associated with Department of Homeland Security (DHS). If contacted by phone, ask the individual to first email you in order to verify identity. Provide DIS with copies of any documentation that USCIS issues.

It is important to comply with the inspector's requests by their stated deadline, or as soon as possible if no deadline given. Typical questions include: job title, responsibilities, work location(s) and salary. They may also ask about education, previous employment, residence, and family members in the United States. It is also recommended to review your Labor Condition Application (LCA) and I-129 H-1B petition if possible.​

DIS Info

​​​Service Hours:
9:00AM - 4:00PM ET

Non-FTE Check-In/EOD:
Monday By 11:30am (​in local time zone of lab)
Submit Remotely
Advising Services:
Drop-Ins and Appointments​
Document Pickup:
By Appointment
J-1/J-2 Travel Signature Requests:​
Submit Remotely
Badge Validation:
Submit Remotely