Employment contracts | Acas

What an employment contract is

When an employment contract starts and the rules that apply under the law.

What must be written in an employment contract

What must be in writing when an employee starts their job.

Changing an employment contract

How an employment contract can be changed ('varied') and the steps involved for employers and employees.

Making a flexible working request

How an employee can make a flexible working request.

Responding to a flexible working request

How to respond to your employee's flexible working request, while following the law.

Checking your employment rights

It's important to know your employment status as it affects your legal rights and what you’re entitled to.

Zero-hours contracts

Your rights and the employer's responsibilities when you have a casual or zero-hours contract.

Agency workers

What an employment agency must give you when you register with them and start work with them.

Non-disclosure agreements

An employer might use a non-disclosure agreement (NDA) to stop an employee or worker sharing information.

More coming

We're still building this section of the new Acas website. You can find advice on notice periods on our old website.