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If your employment-based adjustment application is pending, you may be able to change to a new employer without abandoning that application. Eligibility turns on the I-485 receipt date, the underlying I-140 and category, whether you have transferred the case to a different basis, and whether the new offer is permanent, full time, and in the same or a similar occupational classification.
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First identify which “green card” situation you have
USCIS treats an issued permanent-resident card and a pending adjustment application as different legal situations. The comparison below prevents the most common mistake: using the pending-case portability rules as if they were a way to reassign a card that has already been approved.
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| Your situation | What the USCIS rule addresses | What to examine |
|---|---|---|
| Permanent residence has already been granted and you have an issued green card | The USCIS materials cited here do not describe a process for transferring the card between employers. | Whether your question is actually about a pending immigration filing, a new petition, or another obligation. An immigration lawyer can evaluate facts outside the portability rule. |
| Employment-based Form I-485 is still pending | AC21/INA 204(j) portability may allow a move to a qualifying new job while the adjustment application continues. | I-485 receipt date and pending status, I-140 category and status, any transfer-of-basis request, and the new job’s permanence, hours, and occupational classification. |
The rest of this guide concerns the second row. If you are already a permanent resident, do not file Supplement J merely to “transfer” an issued card; first determine what immigration filing, if any, you actually need.
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When AC21 portability can apply
USCIS describes portability for certain employment-based adjustment applicants in the EB-1, EB-2, and EB-3 categories. The central statutory framework is INA 204(j), commonly called AC21 portability. USCIS’s Policy Manual discussion of transfer of an underlying basis and its Supplement J instructions explain the conditions rather than promising approval in every case.
The 180-day filing threshold
Your Form I-485 must have been properly filed and pending for at least 180 days before you request portability. The April 1, 2024 edition of the USCIS Instructions for Supplement J measures that period from the I-485 receipt date. Reaching 180 days is a threshold to request portability, not a guarantee that the new job qualifies or that the I-485 will be approved.
Filing Supplement J before the threshold can lead to rejection. Use the receipt date shown on the I-485 receipt notice, not the date you mailed the package or the date you received the notice, when calculating the period. If the receipt date, delivery history, or pending status is unclear, resolve that uncertainty before filing.
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The I-140 must ultimately support the case
A pending I-140 does not automatically prevent you from submitting a portability request after the I-485 reaches the 180-day threshold. USCIS must, however, adjudicate and approve the I-140 before it can approve the portability request, assuming the other requirements are met. A portability filing therefore does not substitute for an approvable underlying immigrant petition.
The adjustment application must remain pending
Portability is a mechanism for a pending adjustment case. It is not a way to revive an I-485 that has already been approved, denied, or otherwise ended. Keep copies of receipts, notices, and any correspondence that establishes the case’s current status.
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What the new job must look like
The new offer must meet two substantive requirements in the USCIS instructions: it must be permanent and full time, and it must be in the same or a similar occupational classification as the position described in the I-140. A matching job title by itself does not establish eligibility.
Permanent and full time
The Form I-485 instructions call for a permanent, full-time position. A temporary assignment, a short-term contract, or part-time work may not satisfy that description. The offer should state the position’s continuing nature and full-time hours clearly enough for USCIS to evaluate it.
Same or similar occupational classification
Compare the actual occupation, not just the labels on two offer letters. Examine the work the employer is offering and the work described in the labor certification or other I-140 basis. Similar-sounding titles can cover substantially different jobs, while different titles can describe related work. USCIS’s standard is “same or similar occupational classification”; the rule does not say that any job in the same broad industry qualifies.
Prepare a written comparison of the original and new positions. Include the core duties, required skills, level of responsibility, work setting, and other facts reflected in the underlying filing and new offer. This comparison is an organizing tool, not a substitute for USCIS’s case-specific determination. Do not represent that a move is safe solely because both positions contain a word such as “engineer,” “manager,” or “analyst.”
The offer must be genuine and documentable
Supplement J asks for information about the prospective employer and the new offer. Make sure the employer can provide the requested details and sign the form. Keep the signed offer, job description, and supporting records with your immigration file. If the employer will not make a permanent, full-time offer or will not complete its part of the form, the portability request is not ready to file.
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How to request portability with Supplement J
USCIS uses Form I-485 Supplement J for two related purposes: confirming that the original I-140 job offer remains bona fide, or requesting portability to a new qualifying offer. The January 20, 2025 edition of the form is available from USCIS. Follow the edition and filing instructions in effect when you submit; the April 1, 2024 instruction booklet explains the 180-day rule and the information USCIS expects.
- Confirm the case type. Verify that the I-485 is employment based and still pending. Identify the I-140 receipt number, preference category, priority date, and petitioner or self-petitioner shown in your records.
- Calculate the threshold. Count 180 days from the I-485 receipt date. Do not treat the date of an employment offer, a work-permit approval, or an I-140 filing as the start of this period.
- Check for a transfer-of-basis request. Determine whether you asked USCIS to move the I-485 to a different employment-based category based on a new I-140. That request is governed separately and can change when portability becomes available.
- Obtain a qualifying offer. Get a permanent, full-time offer and a detailed description of duties. Confirm that the new occupation is the same as or similar to the occupation underlying the I-140.
- Complete Supplement J for the correct purpose. Select the portability purpose rather than the option that merely confirms the original offer. Enter the requested employer, position, and offer information exactly and completely.
- Have the prospective employer sign. The employer’s signature and information are part of the evidence that the offer exists. Resolve discrepancies in the employer’s legal name, address, job title, duties, or start terms before filing.
- Assemble supporting evidence. Include the I-485 receipt notice and records that make the occupational comparison understandable, along with any other evidence USCIS’s current form instructions require. Keep a complete copy and proof of delivery.
- Send the filing to the current USCIS destination. Use the address and submission method specified in the current Supplement J instructions. USCIS filing locations and form editions can change, so do not rely on an old address saved from a prior case.
- Track the case separately from work authorization. Save the Supplement J receipt or other USCIS notice, but do not treat that notice as an employment authorization document.
Supplement J does not give you work authorization
Portability and employment authorization answer different questions. USCIS states in the Supplement J instructions: “In adjudicating Supplement J, U.S. Citizenship and Immigration Services (USCIS) does not make a determination whether you have current work authorization with the prospective employer.”
Filing the form, receiving a receipt, or obtaining a favorable portability determination does not by itself authorize you to begin work for the new employer. Confirm that you have independent authorization to work for that employer, such as an unexpired Employment Authorization Document with the applicable terms or another valid basis. If your authorization is tied to a particular employer or has expired, obtain case-specific advice before changing jobs.
Categories and people with special rules
The general portability description does not apply identically to every employment-based applicant. USCIS identifies exclusions and separate rules in its Policy Manual and in the Supplement J instructions.
Extraordinary ability and national interest waiver cases
USCIS identifies specified extraordinary-ability and national-interest-waiver cases as exclusions from the ordinary job-offer portability framework. Those classifications can have different petition structures, so do not assume that the 180-day rule and a new employer’s offer operate the same way for them.
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Self-petitioners
Some self-petitioners are not tied to a specific employer job offer in the same manner as a beneficiary of an employer-sponsored I-140. The absence of an employer sponsor in the paperwork does not automatically answer whether a move is permitted; identify the exact petition category and the obligations attached to it.
National interest waiver physicians
USCIS separately describes requirements for physicians who immigrate through a national interest waiver. Their service and practice obligations can make an ordinary employer-change analysis incomplete. A physician in this category should review the NIW terms and obtain advice before relying on Supplement J portability.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Do not confuse portability with transferring the underlying basis
A portability request keeps the existing adjustment basis while changing to a qualifying job. A transfer-of-basis request instead asks USCIS to move the pending I-485 to a different employment-based category supported by a new I-140. USCIS treats those as different actions.
According to the Policy Manual, the portability period is not available until 180 days after a transfer-of-basis request. In practical terms, transferring the I-485 to a new employment-based category resets the portability clock. If you have made, or are considering, such a request, calculate the 180-day period from the relevant transfer event rather than assuming that time accumulated under the original basis carries over.
A decision worksheet before you change employers
Use this worksheet to organize the facts that determine whether a portability strategy is plausible. A “yes” answer does not guarantee approval; a “no” answer identifies an issue to resolve before relying on the rule.
| Question | Evidence to locate | If the answer is unclear |
|---|---|---|
| Is the I-485 an employment-based adjustment application? | I-485 receipt notice and the filing category | Do not assume a family-based or other I-485 can use this rule. |
| Has the I-485 been pending at least 180 days from its receipt date? | Receipt notice and USCIS case history | Wait or obtain advice before filing; an early request may be rejected. |
| Is the I-140 approved, or can it still be approved? | I-140 approval notice or pending receipt and petition records | Remember that USCIS must approve the I-140 before approving portability. |
| Have you requested a transfer to a different employment-based basis? | Transfer request, receipt, and USCIS notices | Recalculate the portability period after the transfer request. |
| Is the new position permanent and full time? | Signed offer and detailed job description | Ask the employer to correct vague or inconsistent terms. |
| Is the occupation the same as or similar to the I-140 occupation? | Original labor-certification or petition job description and new duties | Prepare a duty-by-duty comparison and seek qualified legal review. |
| Can you lawfully work for the new employer now? | Current EAD, other authorization, and expiration dates | Do not rely on Supplement J adjudication as authorization. |
Common scenarios and the correct next question
You already received the green card
The portability process is not a card-transfer procedure. The next question is what immigration issue you are actually trying to solve, rather than whether to file Supplement J. The sources governing pending adjustment portability do not provide a general employer-change filing for an issued card.
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You have 140 days of I-485 pending
You have not yet reached the 180-day portability threshold described by USCIS. A new offer may still raise employment and authorization questions, but filing Supplement J as an AC21 portability request before the threshold can result in rejection.
You reached 180 days, but the new job is part time
The offer does not match the permanent, full-time requirement stated in the I-485 instructions. Obtain a compliant offer or get advice about another immigration strategy before treating the move as portable.
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Titles alone do not decide the issue. Compare the actual occupational classification and duties with the position underlying the I-140, document the similarities and differences, and avoid representing the move as automatically qualifying.
Your I-140 is still pending
You may still submit a portability request after the I-485 reaches the threshold, but USCIS must approve the I-140 before it can approve portability. The pending petition therefore remains a material condition of the outcome.
You changed the I-485 to a new employment category
That is a transfer of underlying basis, not ordinary portability. Apply the separate timing rule described in the Policy Manual and recognize that the portability clock is reset after the transfer request.
Documents to keep in one case file
- I-485 receipt notice showing the receipt date.
- I-140 receipt or approval notice and the petition category.
- Any transfer-of-basis request and USCIS response.
- The original job description, labor-certification materials if applicable, and I-140 filing copy.
- The new permanent, full-time offer and detailed duties.
- The signed Supplement J and complete filing copy.
- Proof of delivery and every USCIS notice.
- Current work-authorization documents and expiration dates.
Keep the documents in date order. When a job changes again, update the comparison rather than discarding the earlier offer and filing history.
When professional review is especially important
Consider qualified immigration counsel before changing jobs if the I-485 receipt date is close to 180 days, the I-140 is pending or has complications, the new duties are materially different, the employer will not sign Supplement J, you have changed categories, or you fall in an extraordinary-ability, national-interest-waiver, self-petitioner, or physician-specific category. Those facts can alter which rule applies and what evidence is needed.
For a straightforward case, the practical sequence is still the same: identify whether you have an issued card or a pending I-485, verify the 180-day threshold and underlying petition, obtain a permanent full-time offer in the same or a similar occupational classification, complete the current Supplement J accurately, and separately confirm work authorization.
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