Immigration Information and Resources

In an effort to assist you and save you time, the Marks Gray Immigration Team invites you to review our answers to some of the most frequently asked questions on the topics below.

*This material is provided for general information only and not intended as substitute for legal advice.*

Nonimmigrant Visas

Work Visas

  1. FAQ: H-1B Overview
  2. FAQ: Can you benefit from the H-1B Cap-Exemption?
  3. FAQ: Not Selected Under the H-1B Cap – What Options to Consider.
  4. FAQ: Immigration Business Plan for Ls and E-2 Investor Visas
  5. FAQ and Guide about O-1 Petitions for Individuals with Extraordinary Ability or Achievement
  6. Guide to “Support Letters” for O-1 Visas
  7. The Role of Advisory Opinion Letters for O-1 & P-1 Visas
  8. Guide for Sponsors of P-1 Athlete
  9. FAQ: What to know about a TN Management Consultation Position_
  10. FAQ: My petition has been filed, Now what_
  11. FAQ-My Nonimmigrant Petition is Approved. What’s Next.

Nonimmigrant Visas Flowcharts

  1. Flowchart: Consular Process
  2. Flowchart: H-1B
  3. Flowchart: L-1A
  4. Flowchart: O-1A
  5. Flowchart: O-1B
  6. Flowchart: P-1
  7. Flowchart: E-2
  8. Flowchart: J-1
  9. Flowchart: TN
  10. Flowchart: H-3

Immigrant Visas

  1. FAQ: PERM Phase 1 – Prevailing Wage Determination
  2. FAQ: PERM Phase 2 – Recruitment
  3. FAQ: PERM Phase 3 – Preparing & Filing LC
  4. FAQ: Special Handling Labor Certification PERM
  5. FAQ: Evidence required for the Processing of EB-1 and O-1 Petitions for Extraordinary Ability or Achievement
  6. Guide to “Support Letters” for National Interest Waiver (NIW)
  7. FAQ: Medical Exam for Adjustment of Status
  8. FAQ: Obtaining a Marriage License in Florida
  9. FAQ: My I-140 is Approved. What’s Next?
  10. FAQ: What You Should Know about The Visa Bulletin 
  11. FAQ: “My Form I-485 Has Been Filed. Now What?”
  12. FAQ: What to Expect at your Employment-Based Green Card Interview
  13. FAQ-“My Green Card is Approved. What’s Next.”

Immigrant Visas Flowcharts

  1. Flowchart: Employment-Based 3 Step Green Card
  2. Flowchart: PERM Process
  3. Flowchart: PERM Process – Special Handling
  4. Flowchart: I-140, Schedule A, Group I
  5. Flowchart: Immigrant Visa – NVC processing
  6. Flowchart: I-130 AOS Marriage-Based Flowchart (Beneficiary in the U.S.)

Resources for Employers

  1. FAQ: H-1B Transfers – When Can the Candidate Start?
  2. Checklist of Documents for an H-1B Petition
  3. FAQ: Public Access Files (PAFs)
  4. FAQ: Request for Evidence H-1B
  5. FAQ: H-1B Worker Termination
  6. FAQ: H-1B to PERM (Green Card)
  7. FAQ: My Foreign Employee has a Domestic Partner, Can They Come on a Dependent Visa?
  8. FAQ: Can a U.S. Employer Hire Someone Living Abroad as an Independent Contractor?
  9. FAQ: How Long Should Employers Retain Their Immigration Records?
  10. Corporate Restructuring & Immigration Compliance
  11. Corporate Reconstructing & Immigration Compliance Checklist
  12. Can an Employee Start Working Without a Social Security Number? 
  13. What Immigration-Related Questions Can Employers Ask During the Hiring Process?
  14. Immigration Business Plan for L-1s and E-2 Investor Visas
  15. Unlocking a World of Opportunities, Together! 

Student Visas

  1. Comparison Chart – CPT OPT STEM
  2. FAQ: F-1 Students and H-1B Cap Gap
  3. FAQ: Obtaining a Driver’s License and Extensions for F-1 Students
  4. Step-by-Step Guide: Form I-983 Training Plan for STEM OPT Students
  5. USCIS FAQ about Form I-983 Training Plan
  6. FAQ: Cap Gap and H-1B Petition still Pending

Consular/Border Process

  1. FAQ: National Visa Center Processing
  2. FAQ: Consular Processing – “Scheduled Interview – Now what?”
  3. FAQ: L-1 Status Processing at a Canadian Port of Entry 
  4. How to Prepare for my Consular Process Interview Video


  1. FAQ: How do I correct an I-94 Admission Record Issues
  2. Deferred Inspection Sites
  3. FAQ: Electronic Travel Authorization (eTA)
  4. FAQ: Travel Abroad while Petition or Application Pending
  5. FAQ: Lifting of Geographic-Related COVID Travel Bans

Additional Resources

  1. List of NAFTA Professions and 8 CFR 214.6
  2. Certification by Translators



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