Technical Guidance on Welsh Tax Investigative Powers Under TCMA 2016

WRA Investigation Powers for Welsh Tax Checks

The Welsh Revenue Authority (WRA) has legal powers under the Tax Collection and Management (Wales) Act 2016 to ask for information, require documents and inspect premises when checking a person’s tax position, including for Land Transaction Tax. These powers are broad but not unlimited, and they are controlled by rules on reasonableness, tribunal approval and protected material.

• The WRA can issue different notices to taxpayers or third parties, and can also inspect premises, assets and records where this is needed to check a tax position.
• Many notices and inspections need tribunal approval, although some third party notices can proceed with the taxpayer’s agreement instead.
• The WRA must only ask for information that is reasonably required for checking tax, and it cannot demand legally privileged material, certain personal records, protected journalistic material or some older documents without extra approval.
• In Land Transaction Tax cases, the WRA may ask for contracts, valuation evidence, relief support, staged transaction documents or information from solicitors, lenders or other parties involved.
• A taxpayer notice is generally not the correct route if the WRA is checking a return that has already been filed, because it should usually open a formal enquiry instead, subject to limited exceptions.
• Failure to comply can lead to penalties, and destroying or hiding documents after certain formal steps have begun may be a criminal offence.

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Welsh Revenue Authority investigative powers under the Tax Collection and Management (Wales) Act 2016

This page explains how the Welsh Revenue Authority (WRA) can require information, inspect premises, and obtain documents when checking a person’s tax position under the Tax Collection and Management (Wales) Act 2016. Although these powers apply across devolved taxes, they matter in Land Transaction Tax cases because the WRA may use them to check whether the right tax has been reported and paid, whether a relief was valid, or whether a return should have been filed at all.

What this rule is about

The source material deals with the WRA’s formal investigation powers in Part 4 of TCMA. In broad terms, the WRA can do two things:

• issue notices requiring information or documents, and
• inspect premises, assets, equipment and documents.

These powers are not unlimited. The WRA must be checking a person’s “tax position”, and it must be reasonable to require the information or inspection. In many cases the tribunal’s approval is needed. There are also important restrictions, including legal privilege, personal records, journalism material, and limits on documents that are too old.

For property tax purposes, this matters where the WRA wants to verify the facts behind a land transaction, valuation, relief claim, linked transaction analysis, staged transaction, or an apparent failure to file a return.

What the official source says

The guidance says the WRA may issue several kinds of notice.

• A taxpayer notice requires the taxpayer themselves to provide information or documents. It must be approved by the tribunal.
• A third party notice requires someone else to provide information or documents about a taxpayer. It needs either the taxpayer’s agreement or tribunal approval.
• An unidentified third party notice allows the WRA, with tribunal approval, to seek information about a person or class of persons whose identity it does not know.
• An identification notice allows the WRA, with tribunal approval, to require limited identifying details such as name, last known address and date of birth.
• A debtor contact notice allows the WRA to obtain contact details for someone who owes it money and cannot be contacted.

The requested material must be required for checking a person’s tax position, and it must be reasonable to ask for it. The concept of “tax position” is wide. It includes past, present and future liability to devolved tax, penalties, interest and related amounts, and also amounts that may be payable by the WRA to the person.

The guidance also says the WRA can inspect business premises, and in some cases premises or property for valuation purposes, including dwellings. Inspections generally require either the occupier’s agreement or tribunal approval. The WRA cannot use force to enter, but refusal may lead to penalties.

The tribunal plays an important role. It may approve notices or inspections, disapply certain notification requirements where giving notice would seriously prejudice tax assessment or collection, and modify the scope of what the WRA is allowed to require.

The source also sets out restrictions. Among other things:

• documents more than 6 years old generally cannot be required without tribunal approval,
• documents relating to a deceased person’s tax position cannot be required more than 4 years after death,
• a person need only produce documents in their possession or power,
• material relating to an ongoing review or appeal cannot be required,
• journalistic material and personal records such as medical records are protected,
• legally privileged material cannot be required, and disputes about privilege are for the tribunal,
• there are extra protections for communications involving tax advisers and auditors.

The guidance also explains that failure to comply with an information notice may lead to penalties, and that concealing, destroying or disposing of documents in certain circumstances can be a criminal offence.

What this means in practice

In practice, these powers give the WRA a structured way to test whether a tax return, claim or tax treatment is correct.

For Land Transaction Tax, that could include asking for:

• contracts, transfers, side agreements or completion statements,
• documents relevant to consideration or valuation,
• evidence supporting a relief claim,
• documents showing the timing or structure of staged transactions, or
• information from a third party involved in the transaction.

The key practical point is that the WRA does not need to rely only on what appears in the return. If it reasonably needs more material to check the tax position, it may use these formal powers.

But the powers are controlled. The WRA cannot simply ask for anything it wants. It must stay within the statutory purpose of checking a tax position, and the request must be reasonable. In many situations the tribunal acts as an external check.

There is also a difference between information notices and enquiries. The guidance says the WRA may not issue a taxpayer notice just to check the tax position for a transaction or accounting period where a return has already been made for that transaction or period. In that situation, if the WRA wants to check the return, it should open an enquiry into the return. The guidance does, however, recognise exceptions, including where an enquiry has been opened and not completed, or where the notice is part of making a WRA determination or assessment.

That distinction matters because a formal notice is not a substitute for the correct statutory route. A recipient should therefore ask not only what is being requested, but also whether the WRA is using the right power for the stage the case has reached.

How to analyse it

If you receive a notice, or if the WRA is seeking access to premises, the useful questions are:

• What type of notice or inspection power is being used?
• Whose tax position is being checked?
• Is the requested material actually relevant to checking that tax position?
• Is it reasonable to require this material from this person?
• Was tribunal approval required, and if so was it obtained?
• If it is a third party notice, was taxpayer agreement obtained instead?
• Have any notification requirements been met, or has the tribunal disapplied them?
• Is the material within any protected category, such as legal privilege, personal records, journalism material, or protected adviser or audit material?
• Is the document within the age limits, and if not, is there tribunal approval?
• Is the document actually in the recipient’s possession or power?
• Does the request overlap with an ongoing review or appeal?
• Has the WRA specified a lawful time, place and manner for compliance?

For inspections, also ask:

• Are the premises business premises, or is the WRA seeking a valuation inspection?
• Has the occupier agreed, or is there tribunal approval?
• Was the required notice given?
• Is any part of the premises used solely as a dwelling, and if so, does the power actually extend to it?
• Has the WRA officer produced evidence of authority when asked?

If a notice is reviewed or appealed, the duty to comply is suspended while that process is ongoing. That is an important procedural protection. But it does not remove the separate criminal risk of destroying documents after the WRA has said it intends to seek tribunal approval, or after a tribunal-approved notice has been issued.

Example

Illustration: a buyer files an LTT return claiming a relief on a complex land transaction. The WRA thinks the documents filed do not fully explain the structure. It may seek contracts, side letters and valuation evidence to check whether the relief was available and whether the taxable consideration was correctly calculated.

If the WRA asks the buyer directly, it would generally need a taxpayer notice approved by the tribunal. If instead it seeks documents from a solicitor, lender or other third party, it would need either the taxpayer’s agreement or tribunal approval for a third party notice. If the WRA knows a taxable land transaction took place but does not know who the taxpayer is, it may seek identifying information through an identification notice, subject to tribunal approval.

Why this can be difficult in practice

Several parts of this regime are fact-sensitive.

First, “tax position” is defined widely. That gives the WRA a broad starting point, especially where liability may arise over time or where penalties, interest or repayments are in issue. Even so, there must still be a real connection between the information sought and the checking exercise.

Secondly, reasonableness is central but not mechanical. A request may be too wide, too vague, or directed to the wrong person even if some information is relevant. The tribunal can narrow a notice, which shows that scope is often debatable.

Thirdly, privilege and other protections can be difficult to apply. The guidance makes clear that legally privileged material cannot be required, but disputes over whether material is privileged may need tribunal determination. Similar care is needed where communications involve tax advisers or auditors, because the protections are not identical to legal privilege and depend on the nature of the material.

Fourthly, the relationship between notices, enquiries, determinations and assessments can be technical. The guidance indicates that the WRA should not use a taxpayer notice where it should instead be using an enquiry into a filed return, subject to the exceptions it identifies. In a real case, working out which route is legally available may require close attention to the procedural history.

Finally, inspection powers are broad in operational terms. The WRA may examine assets and documents, access electronic records, copy and retain documents for a reasonable time, and in some cases bring other persons or equipment onto the premises. But those powers still depend on lawful entry and do not override the restrictions that would apply to information notices.

Key takeaways

• The WRA can use formal notices and inspections to check a person’s devolved tax position, including in Land Transaction Tax cases.
• These powers are subject to important safeguards, especially tribunal approval, reasonableness, notice requirements, and restrictions for privileged or protected material.
• Failure to comply may lead to penalties, and destroying documents after notice of a tribunal application or after a tribunal-approved notice can be a criminal offence.

This page was last updated on 24 March 2026

Useful article? You may find it helpful to read the original guidance here: Technical Guidance on Welsh Tax Investigative Powers Under TCMA 2016

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