There are over 50,000 companies with an annual return date of 30 September and a filing deadline of 28 October. If you are filing an annual return in respect of one of these companies, you are requested to ensure that your correctly completed return is delivered to the CRO on-time. The only way of doing this is by filing online.

E-Filing is Mandatory

The Companies Registration Office (CRO) has introduced mandatory electronic filing for the submission of an Annual Return and its associated financial statements since 1 June 2017 in accordance with S.I. No. 458 of 2016 and Section 897, Companies Act 2014. This applies to all Irish companies. Companies and Presenters should ensure that they provide the correct email addresses to ensure they are alerted when their documents are sent back as they will no longer receive a letter or documents by post.

Once you submit your B1 on-line you will have another 28 days from the date of submission to deliver your signature page and financial statements to the CRO.

Payment must be made for an annual return online

The filing fee for an e-B1 is €20. Remember that if you have chosen to pay by credit card, payment will be taken immediately and is NON REFUNDABLE (as we cannot store card details). If you would prefer to pay by customer account, payment will not be delayed deducted from your customer account until signatures are applied. To open a customer account online please go to

If an annual return is filed late, late filing penalties apply and, where applicable, the company also loses its entitlement to claim audit exemption in the current year and in the following year.

Problems with e-filing:

Should you experience difficulties filing your form on-line, help with the content of the form can be obtained from:

LoCall 1890-252536* / 059-9178981 / 01-8045394 or  

Help with technical or IT issues is available from:

01-8045377 / 01 8045355 or  

* Note that the rates charged for the use of 1890 (LoCall)  numbers may vary among different service providers.

For more information on e-filing, click on  
or view a Youtube video on how to file a B1 on CORE at 

It would be appreciated if instead of telephoning the Carlow office, customers seeking information or assistance could send an e-mail to one of
the following e-mail addresses, please:

Annual Returns:   
e-B1 queries:  
Business Names:  
District Court:  
Credit Card Refunds:  
Customer Accounts:  

Please note that on the CRO website, in the "Current Processing Dates" section, there is a daily update advising of the date of receipt of annual returns and RBNs (business names) documents being processed on that day. Customers should, where at all possible, avoid contacting CRO about documents delivered after the processing date given on the website as they have not yet been reached by the processing team. This will allow CRO to continue to dedicate resources to the processing of submissions. Your cooperation in this regard would be greatly appreciated.

Benefits of Electronic Filing

A large proportion of CRO’s customers are already enjoying the benefits of electronic filing which in recent years has delivered substantial savings in paper, printing and postage costs as well as in filing fees.  In 2016, the percentages of B1s, B2s, B10s and B73s filed electronically with the CRO were close to, or over, 80%. 
The major benefits of e-filing these documents are:

 There is NO FEE for filing Forms B2, B10 and B73 electronically.

  • The fee for filing an e-B1 is €20 compared with the current €40 fee for filing a paper B1.
  • Errors on documents are minimised as the user is alerted if any information they enter is inconsistent with the information already held on CRO’s records for that company.
  • Registration is faster and more efficient.
  • The amount of paper to be printed and posted to the CRO is reduced to one page in most cases or no pages at all if ROS (Revenue Online Service) certificates are used. 

Changes to filing Forms B2, B10 and B73

The only change here is that since 1 June 2017 the forms B2, B10 and B73 cannot be filed on paper.

Changes to filing Form B1 after 1 June

Since 1 June 2017, the sole means of filing a B1 and financial accounts and paying for an annual return is in electronic form. However, the signature page must still be printed off, signed and submitted manually to the CRO (unless digitally signed using ROS).

For presenters who have filed B1’s electronically in the past, the main changes since 1 June are as follows:

PDF of Financial Statements:

  • all financial statements MUST be uploaded as a PDF attachment on CORE/software package within 28 days of the date the e-B1 was submitted. Hard copies of the financial statements will not be accepted by the CRO after 1 June. 
  • the PDF of the financial statements can be attached to the e-B1 in your Workspace in CORE/ software package, in much the same way as you attach a document to an e-mail. 
  • the B1 signature page must not be delivered to the CRO until AFTER the financial statements have been uploaded as a PDF. Please note that the signature page will be returned by the CRO if the financial statements have not been uploaded on receipt. 

Electronic Payment:

  • the filing fee and any late filing penalties MUST be paid electronically by credit /debit card or by CRO Customer Account. You will not be able to complete the submission of the e-B1 without first making the payment at the submission stage. 
  • It is not possible to pay the filing fee of €20 and/or any late penalties by cheque, postal order, money order or bank draft. However, it is possible to top-up a Customer Account by cheque etc after 1 June. 

Filing a form electronically for the first time

All forms can be filed electronically using CRO’s online filing system CORE or through a secretarial software package.

To file electronically on CORE you must first register as a new user. Once you are registered you can log in and go to “File a Form”, select your submission (e.g. B1) and complete the form. There are links on CORE to help you if you encounter any difficulties when filing online. 
Signing a B1 form filed electronically

When filing the B1 form the company has three options for signing the form. The option chosen will dictate what, if any, additional documents must be delivered to the CRO.

B1 Signing Options Required to be delivered to the CRO

1 Manual Signing
The signature page must be printed and signed by a Director and Secretary. The signature page must then be sent to the CRO, O’Brien Road, Carlow.
The submission is not complete until the manual signature page is received in the CRO.

2 The company's Electronic Filing Agent signs digitally using ROS Certificate (Revenue Online Service) Two pages – (1) a Patch Page (provided by CORE/software package) to be delivered with  (2) an Overall Certification for the uploaded financial statements signed by a Director and Secretary

3 A Director and Secretary sign the B1 digitally with ROS Certificates (Revenue Online Service) No paper - Fully Electronic - nothing required to be physically delivered to the CRO

Signatures on Financial Statements

Financial statements presented to the CRO do not need to carry the manuscript signatures of Directors or Auditors. Instead, financial statements filed with the CRO must contain: 

  • the typed name(s) of the Director(s) who signed the financial statements on behalf of the Board of Directors,
  • the typed name of the Auditor (where applicable), and
  • the date each document was signed on. 

Important points to note when filing a B1 form: 

  • Once an e-B1 is submitted online not later than 28 days after the ARD, the company has a further 28 days to either digitally sign the B1 (in which case no paperwork may need to be delivered to the CRO) or manually sign and deliver the signature page to the CRO.
  • If the B1 signature page is not printed, signed and delivered to the CRO within 28 days of the B1 being submitting online, the annual return will be late and the company will incur late penalties and lose audit exemption in the current year and in the following year. 
  • Financial Statements must be uploaded as a PDF no later than the end of the second 28 days and before the signature page is delivered to the CRO. 

Further Information