Content of the Contract of Employment

Vocabulary flashcards covering the key concepts, principles, statutory rules, and common law duties governing the content and enforceability of employment contracts in Irish and common law jurisprudence.

Freedom of contract

The long-standing common law principle by which two consenting parties of full legal capacity, subject to limitations of illegality and public policy, may agree to whatever terms they wish.

Contra preferentem rule

A contractual construction rule providing that the party who writes a formal contract will find it more difficult to dispute its terms than the person invited simply to sign it, construing ambiguous terms against the drafter.

Knowing participation principle

A common law principle established in cases like Hall v Woolston Hall providing that an employer seeking to void a contract for illegality must demonstrate that the employee actively participated in the illegality.

In pari materia

A statutory interpretation doctrine whereby separate statutory schemes that share a broad common regulatory objective may be read together in the event of interpretative difficulty.

Express terms

Contractual provisions that are actually recorded in a written contract or openly expressed orally by the parties at the time the contract is made.

Statement of particulars (5-day statement)

A core written statement containing fundamental terms of employment that an employer is required to furnish to an employee within 5 days of commencement under the Terms of Employment (Information) Act 1994 as amended.

Statement of minimum terms and conditions of employment (1-month statement)

A comprehensive written document detailing the essential aspects of employment that must be signed, dated, and provided to an employee within 1 month of commencement under s.3 of the 1994 Act.

Parallel employment

The taking up of secondary employment by an employee outside their work schedule, which an employer is prohibited from restricting under s.6E of the 1994 Act unless justified by objective grounds such as health and safety or confidentiality.

De minimis rule

A legal principle providing that courts and tribunals will not concern themselves with, or award compensation for, insubstantial, trivial, or merely peripheral technical breaches.

Incorporation clause

A contractual provision in an employment agreement that explicitly states that external documents, such as an employee handbook, policy manual, or intranet policies, form part of the binding contract.

Implied terms

Contractual terms that are not expressly recorded or spoken by the parties at the contract's formation, but are read into the agreement by statute or by the courts (in fact or in law).

Business efficacy test

A test derived from The Moorcock requiring that a term only be judicially implied into a contract if it is strictly necessary to give the transaction business efficacy and represents an unexpressed term that 'goes without saying'.

Repudiatory breach

A grave or deliberate violation of a fundamental contractual obligation (such as an employer's failure to pay wages) that goes to the root of the contract and entitles the innocent party to treat the contract as terminated.

Firing and rehiring

The controversial practice of dismissing employees and immediately offering to re-engage them on inferior terms, which courts may restrict if it breaches an implied term not to terminate employment to extinguish existing pay rights.

Duty of loyalty and fidelity

An implied common law duty obliging an employee to serve the employer with good faith, advance the employer's interests, and refrain from competing or misusing commercially sensitive information during the subsistence of the employment.

Confidential information (during employment)

Information not in the public domain that the employer reasonably believes would be injurious to their business or advantageous to rivals if released, protecting details such as customer lists, pricing, and marketing strategies.

Trade secrets (post-termination)

Information of a high degree of confidentiality (such as secret manufacturing processes, chemical formulae, or designs) that an ex-employee remains legally prohibited from disclosing or using even after employment ends.

Restraint of trade clauses

Restrictive covenants in an employment contract limiting an employee's post-termination freedom to work for a competitor or trade in competition; they are prima facie void unless proven reasonable between the parties and consistent with the public interest.

Duty of adaptation

A common law duty requiring an employee to remain reasonably robust and adapt to new techniques, methods, and technologies introduced by the employer over the course of their employment.

Duty of care in references

The legal duty established in Spring v Guardian Assurance requiring an employer who undertakes to provide an employment reference to exercise reasonable care to ensure the information is not inaccurate, unfair, or misleading.

Safe system of work

An implied contractual term at common law, codified in section 8 of the Safety, Health and Welfare at Work Act 2005, requiring an employer to ensure, so far as is reasonably practicable, the safety, health, and welfare of employees at work.

Implied term of mutual trust and confidence

An implied term of law obliging both employer and employee not to conduct themselves, without reasonable and proper cause, in a manner calculated or likely to destroy or seriously damage the relationship of confidence and trust between them.

Implied term of rationality (Braganza duty)

A common law principle requiring that an employer's contractual discretion must be exercised in good faith, honestly, and genuinely, and not in a manner that is arbitrary, capricious, perverse, or irrational.