Starting Tuesday, the social network has banned all foreign advertisements related to Ireland's abortion referendum, happening in a few weeks time.
The full suite of tools will not be available in time for the election on May 25.
"Our company approach is to build tools to increase transparency around political advertising so that people know who is paying for the ads they are seeing and to ensure any organisation running a political ad is located in that country", Facebook said in its latest statement.
"We feel the spirit of this approach is also consistent with the Irish electoral law that prohibits campaigns from accepting foreign donations", it added.
A 25 May referendum could repeal the Eighth Amendment to the Republic of Ireland's constitution, which states "the right to life of the unborn". And while Ireland forbids foreign spending in campaigns, its election law is silent on digital activity.
Mr Breen said he expects the Data Commissioner to work closely with Facebook to ensure there is no interference in elections or referendums.
It said that this would relate to paid of advertisements on its platform. The company also claimed it'd utilize synthetic intelligence technologies to spot maybe debatable materials. Facebook's advertising system has become a favorite of political groups because it is largely automated and makes it easy to target narrow segments of voters.
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The referendum ads change comes following the Cambridge Analytica scandal.
Given that the 20-16 election, the face-book has generated numerous policy modifications to deal with concerns over the part it plays in politics and elections across the globe. About one in five voters are undecided.
The Irish Transparent Referendum Initiative has identified several ads paid for by United Kingdom and US-based anti-abortion groups targeting users in Ireland ahead of the referendum.
Users are now able to see all of the content originating from the Facebook account behind those posts, rather than just the ads or stories targeted at them.
Transparency campaigners and advocates have been voicing concerns over a number of hard to trace advertisements related to the referendum that have been appearing on Facebook and other platforms in recent weeks.
No. There is no facility for ordinary users to report the ads directly to Facebook.
Nor is it clear what proportion of the total amount spent on Facebook ads is made up of foreign-sourced ads of the type that are now banned by the social-media company.