Post-Employment Retaliation and Blacklisting in CA & NY

Post-employment retaliation can be unlawful when a former employer harms a worker’s future job prospects because the worker reported discrimination, complained about unpaid wages, disclosed suspected illegal conduct, or exercised another protected right. A retaliatory job reference, deliberate blacklisting, or interference with a new position may support a claim even though the employment relationship has ended.

The critical question is not simply whether a former employer said something negative. The issue is whether it took a materially harmful action because of legally protected activity—and whether the available evidence can prove that connection.

What does post-employment retaliation look like?

Post-employment retaliation is harmful conduct directed at a former worker because that person previously exercised a protected workplace right. Blacklisting means deliberately using communications, influence, or false information to prevent someone from obtaining future employment.

Common examples include:

Giving a negative reference after previously agreeing to provide a neutral one
Falsely accusing a former employee of misconduct, dishonesty, or poor performance
Telling recruiters that the worker is “not eligible for rehire” when that designation was imposed because of a complaint
Pressuring industry contacts not to interview or hire the worker
Interfering with a job offer, professional license, security clearance, or client relationship
Refusing routine employment verification only for workers who filed complaints
Threatening former employees who cooperate with an agency investigation or lawsuit
Contacting a new employer to repeat confidential accusations or discourage continued employment

The harm can be indirect. A recruiter may abruptly stop communicating, an offer may disappear after a reference check, or a prospective employer may provide only a vague explanation. Those facts do not automatically prove retaliation, but they can justify closer investigation.

Federal law expressly recognizes that retaliation can reach former employees. The U.S. Supreme Court held in Robinson v. Shell Oil Co. that Title VII’s anti-retaliation provision covers former workers, and the EEOC identifies a bad reference given because of an earlier discrimination complaint as a potential violation.

When may blacklisting or a negative reference be unlawful?

A negative reference may be unlawful when it is false, malicious, discriminatory, or motivated by protected activity. An accurate but unfavorable assessment is not automatically illegal, and employee blacklisting laws do not require every employer to provide a positive recommendation.

The reference must be distinguished from legitimate criticism

Employers generally may communicate truthful information about dates of employment, job duties, performance, workplace conduct, or the reason for separation. California and New York also recognize legal protections for certain good-faith reference communications, although those protections are not unlimited.

Warning signs of unlawful former employee retaliation include:

The reference contradicts evaluations, awards, emails, or personnel records created before the complaint
The employer departs from a policy of confirming only job title and employment dates
A manager volunteers damaging information that the recruiter did not request
The employer changes its explanation after learning about an agency charge or lawsuit
Other former employees receive neutral references while the complaining worker is singled out
The speaker uses language associated with the protected activity, such as calling the worker a “troublemaker” for reporting harassment

A reference does not have to contain an outright factual lie to qualify as retaliation under every statute. A technically true but selectively damaging communication may still be actionable if it would deter a reasonable worker from reporting discrimination and was made for a retaliatory reason.

California has a specific law addressing false blacklisting

California Labor Code section 1050 makes it a misdemeanor to use a misrepresentation to prevent or attempt to prevent a former employee from obtaining work. Labor Code section 1054 separately permits an aggrieved person to pursue treble damages for violations of sections 1050 through 1052.

This California blacklisting law focuses on misrepresentation and attempted interference. Labor Code section 1053 expressly allows a former employer, upon special request, to provide a truthful statement about why the employee was discharged or voluntarily left.

What protections apply under California and New York retaliation law?

California, New York, and federal law may protect former employees, but the controlling statute depends on what the worker originally reported and what the former employer later did. The same reference can implicate more than one law, each with different coverage rules, procedures, and deadlines.

California retaliation law

The California Fair Employment and Housing Act, or FEHA, is the state law prohibiting covered employers from discriminating or retaliating against a person for opposing practices forbidden by the Act or participating in a FEHA proceeding. Government Code section 12940(h) can apply when a former employer sabotages future employment because the worker reported discrimination, harassment, or another FEHA violation.

A worker does not necessarily have to prove the original discrimination complaint was correct. Opposition is generally protected when the worker had a reasonable, good-faith belief that the conduct violated FEHA. Filing a Civil Rights Department complaint, testifying, or assisting with a proceeding is also protected participation.

Other California laws may apply according to the underlying complaint. Labor Code section 1102.5 addresses retaliation for certain whistleblower disclosures and refusals to participate in unlawful activity, while other Labor Code provisions protect wage, safety, leave, and workplace-rights complaints. The exact statute matters because coverage, proof requirements, administrative procedures, and remedies differ.

New York retaliation law

The New York State Human Rights Law, or NYSHRL, prohibits retaliation for opposing discrimination or filing, testifying, or assisting in a proceeding under the law. Executive Law section 296 uses broad language protecting a person who engages in covered activity, which may reach retaliatory interference after employment ends.

New York Labor Law section 740 provides especially explicit protection for whistleblowers. Its definition of employee includes former employees, and its definition of retaliatory action includes conduct that adversely affects a former employee’s current or future employment. The statutory text of section 740 protects specified disclosures, testimony, objections, and refusals involving conduct the worker reasonably believes violates a law, rule, or regulation or presents a substantial and specific danger to public health or safety.

New York Labor Law section 215 may also apply when retaliation follows a good-faith complaint about rights protected by the Labor Law, such as wages. Workers in New York City may have additional protection under the New York City Human Rights Law.

How can a former employee connect blacklisting to protected activity?

A viable retaliation theory generally requires protected activity, harmful post-employment conduct, and a causal connection between them. Protected activity means opposing or participating in a process concerning conduct covered by the particular statute being invoked.

First, identify the exact protected act. Examples include reporting race or disability discrimination, requesting a legally protected accommodation, complaining about unpaid wages, providing information to an agency, or disclosing suspected legal violations covered by a whistleblower statute. General personality conflicts or complaints about ordinary unfairness may not qualify unless they communicate a concern protected by law.

Next, identify who knew about the activity. Evidence that the manager giving the reference received the complaint, participated in an investigation, or discussed the agency charge can establish knowledge.

Finally, connect that knowledge to the adverse conduct. Useful indicators include:

A short interval between protected activity and the reference
Statements showing anger about the complaint
Shifting or factually inconsistent explanations
A sudden “ineligible for rehire” designation
Different treatment of comparable former employees
Departures from the employer’s reference policy
Repeated lost opportunities after the same person is contacted

Timing can support causation, but timing alone is not always enough. A stronger evidence file combines chronology with proof of knowledge, inconsistent explanations, policy deviations, or direct statements.

What evidence should employees preserve from employers and recruiters?

Preserve records showing the protected activity, the former employer’s knowledge, the reference contact, and the resulting harm. Contemporaneous documents are usually more persuasive than a reconstructed account created months later.

Keep copies of:

Complaints, agency charges, interview notes, and investigation communications
Performance reviews, commendations, discipline, and separation documents
The employer’s written reference and rehire-eligibility policies
Job postings, applications, interview invitations, and conditional offers
Reference authorization forms and background-check disclosures
Emails, texts, voicemails, and recruiter messages concerning the reference
A dated list of every person involved and what each person said
Records of compensation and benefits associated with a lost opportunity
Evidence showing when the former employer learned of the protected activity

Ask a recruiter whether the hiring decision changed after a reference check and whether the recruiter can identify who was contacted. If the recruiter shares what was said, write down the exact words, date, method of communication, and participants; politely ask whether the recruiter will confirm the information by email.

Workers can use this guide to build a retaliation evidence file. Preserve only material you may lawfully access, and do not enter a former employer’s systems or remove protected business information. Recording laws also differ: California generally requires all parties’ consent for confidential communications, while New York generally permits recording by one participating party, and interstate calls can raise additional issues.

What are the filing deadlines, agency options, and next steps?

Post-employment retaliation deadlines may run from each discrete retaliatory act, not from the original termination or complaint. Workers should act promptly because learning about a secret reference later does not automatically extend every limitations period.

Important filing periods include:

Federal discrimination retaliation: An EEOC charge generally must be filed within 180 days, extended to 300 days when a qualifying state or local agency enforces a law prohibiting the same type of discrimination. The EEOC cautions that each discrete act has its own filing period. Federal employees generally must contact an EEO counselor within 45 days.
California FEHA: An employment intake form generally must be submitted to the California Civil Rights Department within three years of the last alleged harm. A worker pursuing a private FEHA lawsuit must obtain a right-to-sue notice, and the CRD states that the lawsuit generally must be filed within one year of that notice.
New York State Human Rights Law: NYSDHR complaints concerning unlawful discriminatory practices arising on or after February 15, 2024 generally have a three-year filing period. A direct NYSHRL court action also generally has a three-year limitations period, but filing with NYSDHR can trigger an election-of-remedies rule that may prevent a later state-law lawsuit based on the same events.
New York Labor Law section 740: A civil action must generally be filed within two years after the alleged retaliatory action.

Other Labor Code, whistleblower, contract, and defamation claims can have different—and sometimes shorter—deadlines. Filing with one agency does not necessarily preserve every federal, state, or city claim. Statutes of limitations can bar your claim if you delay.

Frequently asked questions about post-employment retaliation

Is every bad reference illegal?

No. A former employer may generally provide truthful, good-faith information, even when it is unfavorable. A reference becomes legally concerning when it is knowingly false, malicious, discriminatory, or given because the worker exercised a protected right.

Can I have a claim if the recruiter will not tell me what was said?

Possibly. A claim may be supported by circumstantial evidence such as a withdrawn offer immediately after a reference check, inconsistent explanations, or repeated rejections involving the same former manager. An attorney may also use formal evidence-gathering procedures if litigation is appropriate.

Does retaliation protection continue after I resign?

It can. Title VII protects former employees from retaliation, and New York Labor Law section 740 expressly covers actions affecting a former employee’s current or future work. California statutes may also reach post-employment interference depending on the protected activity and conduct involved.

What if the former employer only said I am not eligible for rehire?

That statement is not automatically unlawful. It may become evidence of retaliation if the designation is false, contradicts company records, was imposed after protected activity, or differs from how similarly situated former employees were treated.

Should I contact my former employer directly?

A written request for clarification or correction may sometimes help, but an impulsive accusation can complicate evidence preservation. Before making contact, preserve the available records and consider obtaining legal advice about the safest way to request information.

Take action if a former employer is blocking your next job

Post-employment retaliation can follow a worker long after the final paycheck, but former employers do not receive a free pass to punish protected complaints through false references or blacklisting. Preserve the chronology, document each lost opportunity, and obtain a prompt assessment of the laws and deadlines that apply.

WorkersRights.co represents employees in California and New York in seeking relief for employment retaliation and related workplace violations. You can request a free case evaluation with a licensed California or New York employment attorney. The initial evaluation has no cost or obligation, and representation is offered on a contingency basis: no fee unless we win.

Attorney advertising. Past results do not guarantee future outcomes. This article provides general information and is not legal advice.