Incorrect MTD for VAT sign up messages: HMRC update

Members have reported that, when attempting to file VAT returns for non-MTD clients, they have received messages informing them that their client has signed up to MTD for VAT, even though the client has not yet done so.

HMRC have now provided the following update on this issue:

"As you may be aware, HMRC recently started moving VAT customer records from the legacy VAT mainframe to the newly integrated Enterprise Tax Management Platform (ETMP).

This activity has led to an issue for some Agents with non-MTD clients, who have been receiving an incorrect message in the Agent Online Self-Service (AOSS) account.

This happens when an Agent logs to their AOSS, selects VAT, sees the VAT Client list, and selects a client whose record has been unknowingly moved on to ETMP.

Agents are receiving an incorrect message informing them that the client has signed up to Making Tax Digital (MTD), even when the client has not yet done so.

This message will direct Agents to log into the Government Gateway (GG) using their Agent Services Account (ASA) credentials. Any Agent whose client has not joined MTD that sees this message should continue through the screens to sign into their ASA (or create an ASA) to file their client's non MTD VAT return.

This issue will affect around 190,000 businesses whose account has been migrated or will be migrated in the coming months.

We apologise for any confusion this may cause - we are currently working on a solution to prevent this incorrect message."

UPDATE 25 MAY 2021:

HMRC have shared the following additional information on this issue:

“The issue won’t prevent Agents filing returns for their clients. They need to log into their ASA and submit via the “view and change” link for their clients who have been moved onto ETMP but who haven’t been signed up to MTD.

The issue is that the message that they see in their AOSS is incorrect as it states that their client has signed up to submit MTD returns. This is not the case. We are working on making the message correct and more user friendly.”

HMRC have indicated that they will help if the above approach does not work and members continue to have problems filing returns.  Where that is the case please email erawson [at]


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