Can my employer ask me for a medical certificate for one day off?

Answer

Yes, an employer can ask for a medical certificate for one day off if the request is reasonable. Employees must provide reasonable evidence for their absence due to illness or injury.

Fair Work Ombudsman
Last UpdatedMay 4, 2026

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How it works in practice

Employer's Right to Evidence

Under Australian workplace laws, employers are entitled to ask for evidence when an employee takes paid sick or carer's leave, including for a single day's absence. This evidence must satisfy a reasonable person that the employee was genuinely unfit for work due to illness or injury, or that they needed to provide care for an immediate family or household member.

What is "Reasonable Evidence"?

While a medical certificate from a registered health practitioner is the most common form of evidence, it is not the only acceptable option. For short absences, especially one-day ones, a statutory declaration may also be considered reasonable evidence, particularly if obtaining a medical certificate would be impractical or incur significant cost. The employer's request for evidence must always be reasonable in the circumstances, taking into account factors like the length and frequency of absences, and the cost or difficulty for the employee to obtain the evidence.

Important exceptions

Employers cannot demand a medical certificate if it is not reasonable to do so, for example, if there is no medical practitioner available or if the cost is prohibitive for a short absence. In such cases, an employer may need to accept an alternative form of evidence, like a statutory declaration.

Specific modern awards or enterprise agreements may also contain clauses that outline particular requirements or limitations regarding evidence for sick leave, which can differ from the general national employment standards.

What you should do now

  1. Understand your specific award or enterprise agreement for any rules regarding sick leave evidence.

  2. Provide a medical certificate or a statutory declaration promptly if requested by your employer.

  3. Communicate immediately with your employer if you have difficulty obtaining a medical certificate for a short absence.

  4. Familiarize yourself with your workplace's policy on sick leave and evidence requirements.

  5. Contact the Fair Work Ombudsman if you believe your employer's request for evidence is unreasonable or unlawful.

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