Deputy First Minister John Swinney has urged MSPs on Holyrood's education and skills committee to reconsider their bid to delay key "named persons" legislation.

The committee told Mr Swinney on Wednesday that members were unable to back the Government's Children and Young People (Information Sharing) Scotland Bill at its first reading, unless provided with more information.

The bill was introduced to address the problems identified by judges at the Supreme Court when they objected to the data protection provisions in the Scottish Government's flagship named person legislation.

The MSPs are demanding sight of binding guidelines which have been promised to help clarify when workers such as named persons should share private information about a child.

However Mr Swinney has responded to the committee claiming the Scottish Parliament has been promised the chance to scrutinise the guidelines in a code of practise which will be produced at a later date.

"The committee is not being asked to approve the code. It is simply being asked to approve the general principles of a bill," he said. "I have indicated I will amend the bill to guarantee further parliamentary scrutiny of the code and a requirement for parliamentary approval of the ode prior to implementation."

An expert independent panel is being set up to draft the code in a collaborative way with representatives of the sectors affected, he said. "It is important to be realistic however ... no such authoritative code could be drafted in the open an collaborative way we intended until September 18th at the earliest."

By suspending stage one of the bill, the Committee risks significantly delaying implementation of the new law, Mr Swinney said, which could put the whole Named Person approach at risk.

"This could undermine stakeholder confidence in the principle of the Named Person Approach and prolong the uncertainty many in the sector feel in the aftermath of the Supreme Court's Judgment of July 2106."

Such a move could undermine the further implementation of the Getting it Right for Every Child strategy, he added, "an approach to which I had thought everyone in the chamber subscribed.

"All interventions that undermine that confidence should be made with great care and in full appreciation of the potential consequences."

As a result, Mr Swinney's letter concludes: "I regret the decision the majority of the committee have made and urge the committee to reconsider."

In the committee's earlier letter to the minister, James Dornan, convener, wrote that without the code "the majority of the Committee do not consider that they are able to make a decision on whether to recommend that the general principles of the bill be approved”.

Simon Calvert of the No To Named Persons campaign has called for the legislation to be "consigned to the Holyrood dustbin."