Biological Age
Calculate the applicant's actual age on the date the immigrant visa becomes available for CSPA purposes.
Visa Availability • Child Status Protection Act
Child Status Protection Act and Form I-485
The Child Status Protection Act can protect certain beneficiaries from losing immigration eligibility merely because they turn 21 while a petition or immigrant visa case is pending.
For many family- and employment-based preference applicants, CSPA does not simply freeze biological age. Instead, the statute uses a formula based on the child's age when an immigrant visa becomes available, reduced by the time the qualifying immigrant petition was pending.
For adjustment applications governed by current USCIS policy, the Final Action Dates chart—not the Dates for Filing chart—generally controls when a visa becomes available for the CSPA age calculation.
Preference formulaAge minus petition time
Current CSPA chartFinal Action Dates
Key deadlineGenerally 1 year
Legal reviewAugust 30, 2026
Direct Answer
How Does CSPA Protect a Child Filing Form I-485?
CSPA can preserve classification as a “child” even after the applicant's biological age reaches 21. The calculation depends on the immigrant category. In many family- and employment-preference cases, CSPA age equals the applicant's age when a visa becomes available minus the number of days the qualifying immigrant petition was pending.
If the resulting CSPA age is under 21, the applicant generally must also remain unmarried and satisfy the statutory sought-to-acquire requirement within one year of visa availability, unless a recognized exception applies.
Immediate-relative children of U.S. citizens use a different age-protection rule and generally do not use the preference-category subtraction formula.
Preference Cases
The Basic CSPA Formula
CSPA Age = Biological Age When Visa Becomes Available − Petition Pending Time
For qualifying family- and employment-based preference beneficiaries under INA §203(h).
Petition Pending Time
Determine the number of days the applicable immigrant petition was pending from proper filing until approval.
Subtract
Subtract the petition-pending period from biological age. If the resulting statutory age is under 21, CSPA may protect the applicant.
Example Calculation
A Child Can Be Over 21 Biologically but Under 21 for CSPA
| Calculation item | Example |
|---|---|
| Biological age when visa becomes available | 22 years, 4 months |
| Qualifying petition pending time | 18 months |
| Approximate CSPA age | 20 years, 10 months |
| Age result | Under 21 for CSPA purposes |
| Additional requirement | The applicant generally must timely seek to acquire permanent residence and remain otherwise eligible. |
Use exact dates rather than approximate months in an actual case. CSPA calculations should be performed day by day using the petition filing date, approval date, date of birth, and visa-availability date.
Current USCIS Rule
Final Action Dates Control CSPA Visa Availability for Newer I-485 Cases
Effective August 15, 2025, USCIS returned to the Final Action Dates chart for CSPA age calculation. For adjustment requests governed by the current rule, an immigrant visa becomes available for CSPA purposes according to Final Action Dates rather than the more favorable Dates for Filing chart.
February 14, 2023 Policy
USCIS had linked the CSPA visa-availability date to whichever Visa Bulletin chart USCIS authorized for adjustment filing, which sometimes permitted use of Dates for Filing.
August 15, 2025 Policy
USCIS generally uses the Final Action Dates chart to determine visa availability for CSPA age calculation, aligning USCIS adjustment cases with the Department of State approach.
Transition Rule
Some I-485 Applications Pending Before August 15, 2025 Keep the Prior CSPA Method
USCIS specifically preserved the February 14, 2023 CSPA policy for qualifying adjustment applications that were already pending with USCIS before August 15, 2025.
I-485 Pending Before August 15, 2025
The prior USCIS methodology may continue to govern the CSPA age calculation for the qualifying pending adjustment application.
Newer Adjustment Filing
For an adjustment request governed by the policy effective August 15, 2025, Final Action Dates generally determine when a visa becomes available for CSPA age purposes.
The transition rules can materially change the result in an age-out case and should be reviewed before assuming that the current Final Action Dates methodology applies to an older pending I-485.
When Is the Visa Available?
Petition Approval and the Visa Bulletin Must Both Be Considered
Priority Date Becomes Current First
If the priority date becomes current before USCIS approves the qualifying petition, the later petition approval date may control the CSPA visa-availability calculation.
Petition Is Approved First
If the petition is already approved but the category remains backlogged, the later date on which a visa becomes available under the applicable Final Action Dates chart generally becomes critical.
For preference cases, CSPA analysis therefore requires both the petition adjudication history and the appropriate Visa Bulletin history.
Immediate Relatives
Children of U.S. Citizens Use a Different CSPA Rule
U.S. Citizen Files While Child Is Under 21
For a qualifying immediate-relative child, CSPA generally determines age based on the date the U.S. citizen parent files the Form I-130. A child who later turns 21 while the petition or adjustment is pending can remain protected if the statutory requirements continue to be met.
Parent Naturalizes
When an LPR parent's petition for a child converts because the parent becomes a U.S. citizen, CSPA contains a separate rule using the child's age at the time of the parent's naturalization.
Unmarried Requirement
CSPA protects age; it does not eliminate the statutory unmarried requirement for classification as a child.
Preference and Employment Derivatives
INA §203(h) Commonly Applies to Derivative Children
Family Preference
Children deriving through a principal family-preference beneficiary may require the statutory CSPA age formula.
Employment-Based
Children deriving through EB-1, EB-2, EB-3, EB-4, or EB-5 principals may also require CSPA analysis when the immigrant category is numerically limited.
Separate I-485
The child's CSPA protection does not eliminate the requirement to file an individual adjustment application and satisfy all independent adjustment requirements.
Sought to Acquire
CSPA Protection Usually Requires Action Within One Year
INA §203(h)(1) generally requires a qualifying preference beneficiary to have sought to acquire lawful permanent resident status within one year after the immigrant visa becomes available.
Do Not Delay
Once the statutory visa-availability date occurs, the one-year deadline can become as important as the CSPA age calculation itself.
Form I-485
Properly filing Form I-485 within the statutory period is a direct way for an adjustment applicant to satisfy the sought-to-acquire requirement.
Other Recognized Actions
USCIS policy recognizes other actions that can potentially satisfy the requirement in appropriate cases, but the exact record should be reviewed before relying on an alternative to filing Form I-485.
Extraordinary Circumstances
Missing the One-Year Deadline Is Not Always Fatal
USCIS may excuse failure to satisfy the one-year sought-to-acquire requirement when the applicant establishes qualifying extraordinary circumstances and the delay was reasonable under the circumstances.
Not an Automatic Extension
The extraordinary-circumstances provision requires evidence. It should not be treated as a general grace period after the one-year deadline.
Document the Cause and Delay
The record should establish what prevented timely action, the period affected, and why the eventual delay in seeking permanent residence was reasonable.
Retrogression
What If the Visa Becomes Unavailable Again?
Visa Was Available
A priority date can become current and later retrogress before the applicant completes the permanent-residence process.
Availability Returns
Current USCIS policy contains specific rules for calculating CSPA age and the sought-to-acquire period when visa availability is interrupted and later returns.
Where a visa becomes unavailable before the applicant has had a continuous one-year opportunity to seek permanent residence, USCIS policy may provide a new one-year period when the visa again becomes available. The CSPA age analysis may also need to be recalculated using the later availability date.
CSPA Does Not Freeze Everything
Age Protection Has Limits
Marriage
CSPA does not generally preserve child classification after marriage where the underlying category requires the beneficiary to remain unmarried.
Visa Availability
CSPA does not make a priority date current or create an immigrant visa number.
Adjustment Eligibility
CSPA does not waive the requirements of INA §245, including applicable admission and adjustment-bar rules.
Admissibility
CSPA does not waive criminal, fraud, health, immigration, security, or other grounds of inadmissibility.
Relationship
A derivative must continue to have the qualifying relationship to the principal immigrant.
One-Year Requirement
A protected age calculation can still be lost if the sought-to-acquire requirement is not satisfied and no exception applies.
Evidence
Documents Needed for a CSPA Calculation
Birth Certificate
Establishes the applicant's exact date of birth.
Petition Receipt
Establishes the qualifying immigrant petition filing date.
Petition Approval
Establishes the end of the petition-pending period used in the statutory subtraction formula.
Priority Date
Identifies the applicant's position in the immigrant visa queue.
Visa Bulletin History
Establishes when the priority date became current under the applicable Final Action Dates chart.
I-485 Filing Evidence
Receipt and delivery records may establish satisfaction of the sought-to-acquire requirement.
CSPA Worksheet
Build the Calculation From Exact Dates
| Question | Record to identify |
|---|---|
| What immigrant category applies? | I-130, I-140, I-360, I-526/I-526E, or other qualifying immigrant basis. |
| What is the child's date of birth? | Birth certificate. |
| When was the petition filed? | USCIS receipt notice. |
| When was the petition approved? | USCIS approval notice. |
| How long was the petition pending? | Calculate exact days from filing through approval. |
| When did a visa become available? | Applicable Final Action Dates history and petition approval date. |
| What was the biological age then? | Calculate from date of birth. |
| What is the resulting CSPA age? | Biological age minus petition-pending time. |
| Was permanent residence sought within one year? | I-485 or other qualifying sought-to-acquire evidence. |
Common Errors
CSPA Mistakes That Can Cause an Age-Out
Using Biological Age Alone
A beneficiary over 21 may still be under 21 after applying the CSPA formula.
Using Dates for Filing Under Current Policy
For adjustment requests governed by the post-August 15, 2025 USCIS rule, Final Action Dates generally determine CSPA visa availability.
Ignoring Petition Pending Time
Preference-case CSPA calculations generally require subtraction of the qualifying petition's pending period.
Missing the One-Year Rule
A CSPA age under 21 does not by itself satisfy the sought-to-acquire requirement.
Ignoring Retrogression
An interruption in visa availability can alter both the age calculation and the one-year period.
Applying the Preference Formula to an Immediate Relative
Immediate-relative children of U.S. citizens are subject to a different CSPA age-protection rule.
Primary Authorities
CSPA Sources
Related INA245 Guides
Continue the Visa-Availability Analysis
Frequently Asked Questions
Child Status Protection Act FAQs
Can a child over 21 still qualify under CSPA?
Yes, potentially. In qualifying preference cases, petition pending time is subtracted from the child's biological age when the visa becomes available. The resulting CSPA age may therefore be under 21 even though biological age is over 21.
Which Visa Bulletin chart does USCIS use for CSPA in 2026?
For adjustment requests governed by the USCIS policy effective August 15, 2025, USCIS generally uses the Final Action Dates chart to determine visa availability for CSPA age calculation.
What if my I-485 was already pending before August 15, 2025?
USCIS preserved the prior February 14, 2023 methodology for qualifying adjustment applications that were already pending with USCIS before August 15, 2025. The filing and case history should therefore be reviewed before applying the newer rule.
What is the CSPA formula?
For qualifying preference beneficiaries, CSPA age generally equals biological age when the immigrant visa becomes available minus the number of days the applicable immigrant petition was pending.
Do I have to file Form I-485 within one year?
INA §203(h) generally requires a qualifying preference beneficiary to seek to acquire lawful permanent residence within one year after visa availability. Properly filing Form I-485 can satisfy this requirement for an adjustment applicant.
Can USCIS excuse the one-year CSPA deadline?
Potentially. USCIS may excuse failure to satisfy the sought-to-acquire requirement where qualifying extraordinary circumstances are established and the delay is reasonable.
Does CSPA protect a child who gets married?
CSPA protects against aging out; it does not generally eliminate an unmarried-status requirement that applies to the immigrant classification.
Age-Out Analysis
Schedule a ConsultationIs the Child Still Protected Under CSPA?
The Messersmith Law Firm, P.A. reviews petition filing and approval dates, priority dates, Final Action Dates, CSPA age, retrogression, the one-year sought-to-acquire requirement, extraordinary circumstances, and derivative adjustment eligibility.
Legal content reviewed August 30, 2026. USCIS revised its CSPA visa-availability policy effective August 15, 2025. Older adjustment applications may be subject to transition rules, so the filing date and complete Visa Bulletin history should be reviewed before calculating CSPA age.