The Data Protection Commissioner Helen Dixon has told the Public Accounts Committee that an enforcement against the Government's use of the Public Services Card "will be issued in the next number of weeks".
Speaking to the Public Accounts Committee she said that the Department could then go to the Circuit Court to appeal her report's findings.
Ms Dixon has said she was "surprised and disappointed" by the Government's response to her report on the Public Services Card.
In her report, Helen Dixon ruled that it was illegal to force the public to apply for a Public Services card for services, other than social welfare benefits.
Speaking at the Public Accounts Committee, Ms Dixon said some Government departments are still operating outside the law by requiring use of the Public Services Card.
She told the Committee, that the Department of Children and Youth Affairs appeared to be pressing ahead with a requirement for the PSC to be used to access the new childcare scheme.
Ms Dixon said the only alternative option is a paper-based option which will not be ready until the New Year and would not provide back payments.
She said this was "clearly" at odds with the findings of her report.
Ms Dixon also said the Department of Social Protection is resistant to the legal analysis and the findings of the Data Protection Commissioner's report on the Public Services Card.
She told the Committee she had asked the department to contact all Government bodies using the card and inform them about the findings of the report.
Ms Dixon also told the committee that she had accepted an invitation in August to meet with the Minister for Social Protection Regina Doherty to discuss her report into the Public Services Card.
However, she said that once it emerged that the department did not intent to comply with the report's directions a meeting would not have been appropriate.
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Battle over future of Public Services Card sees Govt digging heels in
The Data Protection Commissioner carried out a two-year investigation into whether the Public Services Card system is legal and that report was published last week.
The watchdog's report found that the expansion of the card’s remit to other State services from its social welfare origins is illegal under data protection laws.
The report also said it was not legal for the department to hold documents indefinitely including utility bills - which are required when applying for the card.
The commissioner's report said the State must delete the data held on over three million citizens who hold a card.
However, Minister for Social Protection Regina Doherty has said her department had received legal advice which states the card is lawful.
The Government argues that the PSC allows people to access public services in a streamlined manner without the need to submit the same documentation numerous times to verify their identity.
