Receipt Notices, Case Numbers and Keeping Your Filing Records

What arrives after you file, and when to worry if it doesn't

Once your I-140 is on its way, two confirmations arrive in sequence, on two different tracks.

First: delivery confirmation

If you mailed a paper filing, your carrier's tracking record (USPS, FedEx, UPS) will show delivery to the USCIS lockbox address. This only confirms the package arrived — it says nothing about acceptance. If you e-filed, you'll instead see an immediate on-screen confirmation and a corresponding entry in your USCIS online account.

Second: Form I-797C, Notice of Action

After USCIS logs the filing into its system, it generates a receipt notice, Form I-797C, and mails it to the correspondence address on your I-140. This is your first official confirmation that the case exists in USCIS's system, and it's the document that carries your receipt number and priority date.

There is no fixed number of days you should expect this to take — mail and processing volumes shift constantly. Check the current expected receipt-notice timing on uscis.gov rather than counting days against a number you read elsewhere.

If nothing arrives

If a reasonable interval has passed with no notice:

1. Re-check the mailing address you entered on Part 1 of the I-140 for typos.
2. Confirm your filing fee check has cleared your bank, or that your online payment was processed.
3. Contact USCIS using the number listed on uscis.gov to ask whether the filing was received and logged.

Reading the I-797C receipt notice line by line

The I-797C is a single dense page. Each field matters, and several of them will be typed into government systems repeatedly over the life of the case.

Fields to check

• Receipt number — a unique identifier for this filing (structure covered in the next section). Used for every status check and phone inquiry.
• Received date — the date USCIS logged the filing as received, not the date it was mailed.
• Priority date — for an I-140, this generally corresponds to the receipt date and becomes the date used to track visa availability later. It is one of the two values referenced most often in future correspondence, alongside the receipt number.
• Notice date — the date the notice itself was generated and mailed.
• Form type — should read I-140.
• Classification — should reflect the EB-2 NIW category filed under.
• Petitioner and beneficiary names — for a self-petition these may be the same person; check spelling against the passport exactly.
• A-number — assigned if one exists or is generated at filing; not always present.

What to check immediately

Compare every field against the form as submitted. Common transcription errors include a misspelled name, a transposed date of birth, or an incorrect classification code. Any of these warrants an immediate call to USCIS using the number listed on uscis.gov — correcting a record early is simpler than untangling it after later filings reference the same erroneous data.

Decoding the receipt number format

The receipt number on the I-797C follows a consistent structure: three letters, two digits, then ten digits — for example, WAC-24-123-45678. Each part carries information worth understanding.

The three-letter prefix

This code identifies the office that logged the filing. Common prefixes include:

• WAC — California Service Center
• EAC — Vermont Service Center
• SRC — Texas Service Center
• LIN — Nebraska Service Center
• NBC — National Benefits Center
• IOE — USCIS Electronic Immigration System (used for online-filed cases, regardless of which physical office later handles adjudication)

Because I-140 petitions can be reassigned between service centers depending on workload, the prefix on the receipt notice reflects where the case was received or is currently held, not necessarily where it will always stay.

The two-digit fiscal year

The digits immediately after the prefix indicate the government fiscal year in which the case was received (October–September), not the calendar year of filing. A petition mailed in November 2024, for instance, falls in fiscal year 2025.

The sequential case number

The final ten digits are a running count assigned in the order cases were logged at that office in that fiscal year.

Why the prefix matters

Processing time estimates published on uscis.gov are broken out by service center and form type. Reading the prefix correctly lets you check the estimate that actually applies to your case, rather than a generic figure.

Setting up case status tracking

Once the receipt number is confirmed correct, set up two independent ways of monitoring the case: automated and manual.

Create a USCIS online account

1. Go to uscis.gov and create a free myUSCIS account if you don't already have one.
2. Use the "link a receipt number" or case-tracking feature to attach the I-140 receipt number to your account.
3. Confirm your notification preferences are set to email (and text, if offered) so status changes trigger an alert.

Linking the case does not require the account holder to be the beneficiary — many petitioners create the account themselves and monitor on the beneficiary's behalf.

Bookmark Case Status Online

Even with an account linked, bookmark the standalone Case Status Online page on uscis.gov, which allows a quick manual lookup using just the receipt number, without logging in. This is useful as a backup if the linked account has a delay or technical issue.

Set a recurring manual check

Not every internal update generates an email notification. Set a recurring calendar reminder — monthly is a reasonable interval — to log in and check status manually, independent of whether an alert has arrived.

Checking processing times

USCIS publishes processing time estimates by service center and form type on uscis.gov, and these figures are updated periodically. Check the current published range there directly rather than relying on a number you saw previously or heard elsewhere, since it can shift between checks.

Building a personal filing record: the master log

A single spreadsheet, kept from the day you send the initial petition, is the fastest way to answer any question USCIS or your own memory throws at you later — "when did you file that," "what receipt number covers the RFE response," "did they ever confirm delivery." Build it before you mail anything, not after.

Table layout

Use one row per mailing, with these columns:

• Date Sent — the date you dropped it off or the courier scanned it, not the date you printed the label.
• Delivery/Tracking Number — the full carrier tracking string, copied exactly.
• Form/Document — e.g., "I-140 initial petition," "RFE response," "biometrics appointment confirmation."
• Receipt Number, Priority Date, Notice Type — filled in once the I-797C arrives.
• Date Received — when the notice reached you, useful for spotting delays.
• Action Taken / Notes — what you did in response, and anything unusual (name typo, wrong date of birth, missing document).

Why every mailing gets a row

Initial petition, RFE response, biometrics correspondence, requests for corrected notices — each is a separate mailing with its own tracking number and its own paper trail. Logging each one separately means the full sequence of events is reconstructable at a glance, without digging through folders or email searches, months or years after the fact.

File naming and folder structure for supporting documents

A consistent naming scheme means you can find any document in seconds, months after you filed it, without opening a single file.

A naming convention that works

Use the pattern YYYYMMDD_DocumentType_ShortDescription.pdf, applied to every file you save, for example:

• 20250314_I797C_ReceiptNotice.pdf
• 20250602_RFE_NoticeFromUSCIS.pdf
• 20250715_RFEResponse_CoverLetter.pdf
• 20250715_Evidence_CitationReport.pdf

Date first so files sort chronologically by default. Keep the document type short and standardized (I797C, RFE, EvidenceExhibit, Correspondence) so you can search or filter by type across the whole case.

A folder structure to match

Mirror the same categories in your digital and physical files:

• Petition — the I-140 and all initial supporting documents as filed
• Receipt Notices — every I-797C received
• RFE and Responses — the RFE itself and everything sent back
• Evidence Exhibits — letters, publications, citation reports, and other supporting material, numbered to match your exhibit list
• Correspondence — anything else exchanged with USCIS or filed separately

Use identical folder names on your computer, in your cloud storage, and on the labels of physical folders, so a document's location is predictable regardless of which copy you're holding.

Keep paper too

Print every notice as it arrives and file the hard copy in a dedicated folder immediately, alongside the scanned digital version. Do not rely on a single format for anything.

What to do when a receipt notice contains an error or goes missing

Correcting an error on the notice

If the I-797C shows a misspelled name, wrong date of birth, incorrect classification, or any other data error, don't wait for it to resolve itself in a later notice. Contact USCIS promptly using the phone number or online contact form listed on uscis.gov, reference the receipt number, and explain the discrepancy. Ask specifically for a corrected Notice of Action. Keep a note of the date you called, who you spoke with, and any confirmation or reference number given for that inquiry — add it as a row in your master log.

Requesting a duplicate for a lost or never-arrived notice

If enough time has passed beyond the current posted receipt-notice timing on uscis.gov and nothing has arrived, contact USCIS to request a duplicate. Be ready to provide whatever you have: the receipt number if it was ever communicated to you, the exact date the petition was mailed or e-filed, the beneficiary's full legal name and date of birth, and the petitioner's name if applicable. USCIS uses these to locate the file when the receipt number itself is unknown.

Why the tracking receipt matters

The carrier's tracking confirmation from your original submission (courier or postal tracking number, delivery date, signature confirmation) is the fastest way to prove when and where the package arrived, especially when USCIS has no record on their end. Store this alongside the corresponding row in your master log so it can be produced immediately if asked.

Retention: how long to keep everything and in what form

Treat the I-140 file as permanent, not something to archive once and forget. The receipt notice, the full petition package as filed, every RFE and response, and any correspondence with USCIS should stay accessible indefinitely — not just until approval.

Why the file outlives the case

Approval of the I-140 is often a step, not an endpoint. Adjustment of status, consular processing, a later green card renewal, and eventually naturalization can all involve questions that trace back to the original petition — priority date, classification, filing date, or the exact evidence submitted. Having the complete record on hand when one of those steps comes up saves time and avoids scrambling to reconstruct documents years later.

How to store it

1. Keep one physical folder with printed copies of every notice, tracking receipt, and key document, organized using the same structure as the digital files.
2. Maintain a redundant digital backup: one copy in cloud storage (a personal account, not tied to any single device) and one copy on a local drive.
3. Periodically confirm the cloud copy is still accessible — accounts lapse, storage services change hands, and file formats age.
4. Update the master log if any new correspondence or notice arrives, even after approval, so the record stays current.

This is a records-keeping habit, not a fixed legal requirement — how long and in what form to retain specific documents is something to judge for individual circumstances.