Alex is Sprintlaw’s co-founder and principal lawyer. Alex previously worked at a top-tier firm as a lawyer specialising in technology and media contracts, and founded a digital agency which he sold in 2015.
In a small business, you’re often moving fast - onboarding clients, placing orders, signing leases, sending out proposals, and getting work started.
But what happens when the person who normally signs can’t (or shouldn’t) be the one signing? Maybe your director is overseas, your business partner is on leave, or you’ve got an admin team member who needs to execute day-to-day paperwork without chasing approvals every time.
This is where a lot of New Zealand businesses get stuck: you can sign documents on behalf of someone else in New Zealand, but you need to do it the right way. Otherwise, you risk an unenforceable contract, a dispute over whether the business is bound, or even allegations of misrepresentation.
Below, we’ll walk you through the practical and legal basics of signing for someone else in NZ - including delegated authority, using “pp”, and signing under a Power of Attorney - from a business owner’s perspective. (This article is general information only and isn’t legal advice for your specific situation.)
Why Does Signing Authority Matter For Small Businesses?
When you sign a document, you’re usually doing more than just “approving” something. You’re creating legal obligations - sometimes big ones - like:
- agreeing to pay for goods or services
- locking in pricing or delivery timeframes
- accepting liability clauses and limitation clauses
- committing to a lease term or a renewal
- authorising a bank facility, guarantee, or security interest
So when someone signs on behalf of someone else, the real legal question is:
Did the signer have authority to bind the person (or the business)?
If the answer is unclear, you may run into issues like:
- the other party refusing to perform because they say the agreement wasn’t properly executed
- your business being stuck with a deal you never intended to approve
- payment disputes where the customer claims the signatory had no authority
- internal conflict between directors/shareholders about who approved what
That’s why it’s smart to treat signing authority as part of your “legal foundations from day one”, not an afterthought.
What Counts As “Authority” To Sign For Someone Else?
In New Zealand, the ability to sign for someone else generally comes from one of three buckets:
- Actual authority (they’ve been given permission, formally or informally)
- Apparent authority (their role or behaviour makes it look like they have permission)
- Authority under a legal instrument (like a Power of Attorney)
Actual Authority (Express Or Implied)
Express authority is where the person clearly authorises someone else to sign.
This could be done through:
- a written delegation
- a board resolution
- an email instruction (“Please sign this contract for me”)
- an internal policy or position description
Implied authority is where authority is not spelled out, but it’s reasonably part of the person’s role. For example, a procurement manager might have implied authority to sign purchase orders within a set budget.
If you want something simple and clear for everyday business use, an authority to act form (or similar internal delegation template) can help document who can sign, what they can sign, and any limits.
Apparent Authority (Be Careful - It Can Still Bind You)
Even if someone didn’t have actual authority, your business can sometimes still be bound if you created the impression that they did.
For example, if you put someone forward as your “Operations Director”, let them negotiate deals, and they sign an agreement with a supplier, you may have a problem arguing later that they had no authority.
This is why it’s important to:
- be consistent about titles and who negotiates what
- set clear internal approval thresholds
- tell external parties in writing when someone’s authority is limited
Authority Under A Legal Instrument (Power Of Attorney)
A Power of Attorney is different from day-to-day delegation. It’s a formal legal document appointing someone (an “attorney”) to act for another person (the “donor”) - sometimes broadly, sometimes for specific tasks.
We’ll cover this in more detail below, because signing under a Power of Attorney can be a great tool, but it needs careful setup and checking (especially for high-stakes transactions).
Delegated Authority In Business: When Can Your Staff Sign Documents?
In many small businesses, the most practical approach is delegated authority - where you authorise someone (often a manager, office administrator, or finance lead) to sign routine documents.
This is common for:
- supplier onboarding forms
- standard customer contracts
- NDAs
- purchase orders within a budget
- routine service agreements
The key is to make sure the delegation is clear and provable.
How Should You Document Delegated Authority?
There’s no one-size-fits-all, but good options include:
- Written delegation letter signed by the director/owner
- Board resolution (especially for companies)
- Financial delegations policy (good for businesses scaling up)
- Contract signing policy (who signs what, and when legal review is required)
For companies, it’s also worth checking whether your Company Constitution has specific rules about execution or director approvals.
Practical Tip: Limit The Authority
Delegations work best when they’re not unlimited. Consider setting boundaries such as:
- contract value limits (e.g. up to $10,000)
- time limits (e.g. valid for 12 months)
- document-type limits (e.g. cannot sign leases, guarantees, or IP assignments)
- approval requirements (e.g. must be approved in writing by a director first)
This doesn’t just protect you legally - it also makes your internal operations smoother because everyone knows where the lines are.
What Does “pp” Mean When Signing, And Is It Valid In New Zealand?
You’ll sometimes see someone sign with “pp” before a name, like this:
pp John Smith
Jane Doe
“pp” is commonly understood to mean per procurationem - essentially, “on behalf of”. In modern business use, it’s a quick way of indicating that the person signing is doing so for someone else.
Using “pp” can be valid as part of signing a document for someone else in New Zealand - but it doesn’t magically create authority. It just signals that the signer is acting as an agent.
When Is “pp” A Good Idea?
“pp” can be helpful when:
- the document is being signed under a clear delegation
- the other party expects the principal’s name to appear on the signature line
- you want to reduce confusion about who the real “decision maker” is
When Is “pp” Not Enough?
“pp” is risky if:
- there is no written delegation or authority
- it’s a high-value or high-risk agreement (leases, personal guarantees, lending, share transfers)
- the document has strict signing requirements (for example, witnessing, company execution clauses, or deed requirements)
If there’s any doubt, it’s better to sign with a clear agency signature block (example below) and keep written evidence of authority on file.
Example Of A Clear “On Behalf Of” Signature Block
Instead of relying on “pp” alone, you can use a format like:
Signed for and on behalf of [Principal Name/Company Name] by [Signer Name] under delegated authority
Signature: ____________________
Name: [Signer Name]
Position: [Signer’s Position]
Date: [Date]
This makes it clearer to the other party what’s happening, and it’s easier to defend later if the signing is questioned.
It’s also worth understanding the basics of execution generally - including what makes a signature enforceable - so having a quick read of what makes a signed document legally binding can be useful when you’re tightening up processes.
Signing Under Power Of Attorney: When Do You Need It (And How Do You Sign)?
A Power of Attorney (POA) is commonly used where a person needs another person to act for them legally - including signing documents - often because they’re:
- overseas or unavailable for an extended period
- unable to manage affairs due to illness or incapacity
- appointing someone to handle specific transactions (like selling property or signing a contract)
From a small business perspective, POAs often come up when:
- a director/shareholder is unavailable but approvals are time-sensitive
- a family business relies on one person who becomes unwell
- a business owner wants someone trusted to manage business/legal matters temporarily
General POA vs Enduring POA
In broad terms:
- General Power of Attorney is usually for when the person still has mental capacity and wants someone else to act for them (often temporarily).
- Enduring Power of Attorney (commonly used for personal/property matters) is designed to continue if the person loses capacity (this area is usually governed by specific rules and formalities).
Because the consequences can be significant, it’s worth getting legal advice on whether a POA is the right tool and what it should cover.
How Do You Sign “As Attorney”?
When you sign under a POA, you generally sign in a way that shows you’re acting as attorney, not personally. A common format is:
[Attorney’s Signature]
[Attorney’s Name], as attorney for [Donor’s Name] under Power of Attorney dated [date]
If the other party is being cautious (and for big transactions they should be), they might request:
- a certified copy of the POA
- evidence the POA is still in force
- confirmation the signing falls within the POA’s scope
One practical tip: if the document is being witnessed, make sure you understand who can act as a witness and whether special witnessing rules apply. A quick check of who can witness a signature can save you from having to redo documents later.
Do You Need The Original POA To Sign?
It depends on the situation and what the receiving party requires. Some transactions (especially with banks, land/property, or certain institutions) can be strict about seeing originals or certified copies.
The big takeaway is: don’t assume a POA will be accepted without verification - plan for a short “authority check” step in your signing process.
Common Signing Scenarios For NZ Businesses (And How To Handle Them)
Authority questions usually pop up in predictable places. Here’s how to approach them in a practical way.
1. Signing Customer Contracts And Proposals
If you’re signing standard customer agreements, make sure:
- your signer is clearly authorised (especially if it’s not a director)
- your signature blocks match the reality of who is signing
- the contract names the correct legal entity (company name, NZBN, etc.)
If your team is regularly closing deals, it’s also helpful to align your signing process with good contract hygiene - including offer/acceptance, variations, and record-keeping - which we cover in how to sign a contract.
2. Signing Documents Electronically
E-signatures are commonly used in New Zealand, and the Electronic Transactions Act 2002 supports electronic signing in many situations (as long as requirements like reliability and consent are met).
However, some documents still have special requirements (including witnessing). If your business signs remotely, electronic witnessing of documents is worth understanding before you commit to a fully digital workflow.
3. Signing Leases, Guarantees, And High-Risk Documents
For higher-risk documents, the “casual delegation” approach can backfire.
As a rule of thumb, you should be extra careful when the document involves:
- a long term commitment (like a commercial lease)
- personal liability (like guarantees and indemnities)
- security interests (like GSA/PPSR-backed lending)
- ownership changes (shares, assets, IP)
In these cases, it’s usually best to:
- have the correct person sign (director/owner) or
- use a formal instrument (like a POA) or
- document a specific delegation for that transaction
4. Signing On Behalf Of A Company: Don’t Forget The Company Rules
When you’re signing for a company, you need to think about both:
- who has authority internally (directors, managers, staff delegations), and
- how the company must execute documents under its governing rules and the Companies Act 1993.
Some agreements will specify that the company must sign through a particular method (for example, a common Companies Act signing method is two directors, or a single director with the signature witnessed). In practice, what’s acceptable can depend on the document type, the execution clause, the company’s constitution, and whether the signer is an authorised agent/attorney.
If the execution clause doesn’t match how you sign, you can end up with delays (best case) or enforceability disputes (worst case).
A Simple Checklist For Signing Documents On Behalf Of Someone In New Zealand
If you want a practical process you can implement quickly, here’s a checklist your business can use before anyone signs on behalf of someone else:
- Identify the principal: Is the signer acting for an individual, a company, or a trust?
- Confirm the authority type: Delegation, role-based authority, or Power of Attorney?
- Check the document’s signing requirements: Does it require witnessing, multiple signatories, or a specific execution clause?
- Use a clear signature block: Make it obvious the signer is acting “for and on behalf of”.
- Keep evidence on file: Delegation letter, board resolution, or POA copy (and any limits).
- Check if e-signing is acceptable: Especially where witnessing is required.
- Don’t wing high-risk deals: For leases, guarantees, lending, share/asset sales, or big contracts, get legal advice before signing.
If you’re building a repeatable system, this is also a great time to standardise templates, authority thresholds, and contract review steps - it’s much easier to do this while you’re growing than after a dispute lands on your desk.
Key Takeaways
- Signing on behalf of someone else in New Zealand is usually valid when the signer has proper authority, but you should be able to prove that authority if it’s questioned later.
- Delegated authority is a practical solution for small businesses, but it should be documented clearly (and ideally limited by value, time, and document type).
- “pp” can be a helpful way to show someone is signing on another’s behalf, but it does not create authority on its own - it works best alongside a clear delegation.
- Power of Attorney is a more formal authority mechanism and can be essential when the principal is unavailable or lacks capacity, but the scope and formalities matter.
- Execution clauses, witnessing, and electronic signing rules can affect whether a document is properly signed, so always check the document requirements before you sign.
- For high-risk documents (leases, guarantees, lending, ownership changes), it’s worth getting tailored legal advice so your business is protected from day one.
If you’d like help setting up signing authorities, reviewing execution clauses, or putting the right documents in place, you can reach us at 0800 002 184 or team@sprintlaw.co.nz for a free, no-obligations chat.








