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NDIS Guide

What is an NDIS service agreement and why does it matter?

Last reviewed 1 July 2026 · 6 min read · By Sarah M., Support Coordinator
In short

An NDIS service agreement is a written document between a participant and a provider that sets out which supports will be delivered, the schedule, costs within NDIS price caps, the cancellation policy, and each party's rights and responsibilities. It is strongly recommended for most supports and required for some, such as Specialist Disability Accommodation.

What does a service agreement cover?

A good agreement makes expectations clear on both sides before supports begin. It usually describes the supports to be delivered, how and when they will happen, and what they cost within NDIS price limits.

It also explains how either party can raise a complaint, how to change or end the arrangement, and the notice required. Clarity up front prevents disputes later.

Supports to be delivered and how
Schedule and frequency
Costs within NDIS price caps
Cancellation and no-show policy
Rights and responsibilities of each party
How to make a complaint
How to change or end the agreement

Is a service agreement legally required?

A written service agreement is not legally mandatory for every support, but it is strongly recommended because it protects both the participant and the provider. For some supports, such as Specialist Disability Accommodation, a written agreement is required.

Even where it is optional, having terms in writing helps you understand cancellation rules and costs before you commit.

How is it different from a service booking?

People often confuse the two. A service agreement is the negotiated document describing the relationship and terms. A service booking is the separate mechanism used in the NDIS system to set aside funds for a registered provider over a period.

Service agreement
Service booking
A written agreement on terms and expectations
A reservation of plan funds in the NDIS portal
Negotiated between participant and provider
Created in the system for registered providers
Covers rights, costs, cancellation, complaints
Allocates a dollar amount and dates

Tips before you sign

Read the cancellation policy and check that listed prices sit within the NDIS maximums, which are updated annually on 1 July. You can compare against the NDIS price guide. Ask for changes if anything is unclear, and keep a signed copy for your records.

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SM
Sarah M., Support CoordinatorReviewed by TQN.Care's NDIS support team · 8+ years in disability support coordination.
Common questions

Questions, answered.

Do I have to sign a service agreement? +
Not always. It is optional for many supports but strongly recommended, and required for some such as Specialist Disability Accommodation. You can negotiate the terms before signing.
Can I change the agreement later? +
Yes. Agreements can be reviewed and updated by mutual consent. The document should explain how changes are made and the notice required.
What if I want to leave my provider? +
The agreement sets out how to end it, including notice periods. You are free to choose a different provider that suits your goals.
Are the prices fixed? +
Prices must stay within NDIS maximums, which are reviewed each year on 1 July. Check the NDIS price guide to confirm a quote is compliant.
Is a service agreement the same as a quote? +
No. A quote estimates cost, while the service agreement is the broader document covering supports, schedule, rights, cancellation and complaints.
Keep reading

Related guides.

TYPE D · Resource/Guide · /resources/service-agreement/