New Form I-129 compliance, $100K fee payment, selected candidate next steps, cap-gap priority filing, petition checklist, and RFE prevention
For employers with selected FY2027 H-1B registrations, April 2026 opens the critical 90-day filing window. This year brings unprecedented complexity: the mandatory new Form I-129 effective April 1, the $100K Asylum Program Fee for qualifying employers, enhanced worksite verification requirements, and USCIS's increased scrutiny of wage levels under the new wage-weighted selection system. This comprehensive action plan guides employers through every step.
Quick Answer: Employers must file H-1B petitions between April 1 and approximately June 30, 2026 using the new mandatory Form I-129. Key action items: (1) download new I-129 immediately, (2) determine $100K fee applicability, (3) prepare LCA with accurate worksite and wage data, (4) file cap-gap for F-1 employees first, (5) use premium processing for time-sensitive cases, (6) document everything for FDNS site visit readiness.
| Date | Action Required | Priority |
|---|---|---|
| March 27-31 | Confirm all selected registrations, begin petition prep | URGENT |
| April 1 | New Form I-129 mandatory — filing window opens | CRITICAL |
| April 1-7 | File cap-gap extensions for F-1 employees | URGENT |
| April 1-14 | File LCAs for all selected candidates | HIGH |
| April 15-30 | Begin filing I-129 petitions (premium processing first) | HIGH |
| May 1-31 | Continue filing remaining petitions | STANDARD |
| June 1-30 | File final petitions before deadline | DEADLINE |
| Ongoing | Prepare for FDNS site visits | ONGOING |
The FY2027 H-1B filing season is the most complex in the program's history. The new Form I-129 includes additional sections that employers must complete accurately: enhanced worksite verification (exact address, floor, building description), third-party placement details (end-client company name, address, contact, and description of work), and updated fee worksheets that calculate the $100K Asylum Program Fee. Using the old form after April 1 results in automatic rejection — not denial, but return of the entire package without processing.
The $100K fee determination requires careful analysis. The fee applies to employers with: (1) 50 or more full-time employees, AND (2) more than 50% of employees in H-1B or L-1 status. If triggered, the $100K fee applies only to petitions requesting consular processing — Change of Status petitions are exempt. This creates a strong incentive to file COS when the beneficiary qualifies. Employers should calculate their H-1B/L-1 employee percentage NOW and plan accordingly.
RFE prevention is critical in FY2027 due to USCIS's wage-level scrutiny. Common RFE triggers include: (1) wage level on the petition not matching the registration, (2) job duties that do not correspond to the claimed specialty occupation level, (3) beneficiary qualifications that do not match the position requirements, (4) incomplete third-party placement documentation, (5) worksite discrepancies. Thorough upfront documentation — including detailed job descriptions, organizational charts, and qualification evaluations — significantly reduces RFE risk.
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Search H-1B Sponsors on Wisa →The filing window opens April 1, 2026, and closes approximately 90 days later (around June 30, 2026). USCIS will announce the exact closing date. Petitions must be RECEIVED (not postmarked) by the closing date. File early — mailing delays, LCA certification delays, and last-minute issues can push filings past the deadline. Premium processing petitions should be filed in April for fastest results.
Two conditions must BOTH be met: (1) your company has 50 or more full-time equivalent employees in the U.S., AND (2) more than 50% of those employees are in H-1B or L-1 status. If both conditions are met, the $100K fee applies to each petition requesting CONSULAR PROCESSING. Change of Status petitions are exempt. Count your employees as of the filing date. Work with your immigration attorney to document the calculation — USCIS may request proof.
After April 1, 2026, petitions filed on the old Form I-129 will be REJECTED — meaning the entire package is returned unprocessed, and you must refile on the correct form. This wastes critical time in the 90-day filing window. Download the new form from uscis.gov immediately and verify the edition date in the bottom-left corner of the form. If using legal software, confirm it has been updated to generate the new version.
Premium processing ($2,805) guarantees 15 calendar-day adjudication. It is recommended for: (1) F-1 students with expiring OPT who need work authorization continuity, (2) employees with travel plans who need the petition resolved, (3) consular processing cases where the applicant needs to schedule an interview, (4) any time-sensitive situation. For large employers with many petitions, prioritize premium processing for the most time-sensitive cases and use regular processing for others.