Speaking to reporters outside of a weekly cabinet meeting in Ottawa, Carr said the government would soon appoint new members to the federal regulator, the National Energy Board (NEB), so it could proceed with its review after the existing panel recused itself last Friday.

Canadian Natural Resources Minister Jim Carr is musing about whether the government review of the controversial Energy East pipeline project may "have to go back to square one" in the wake of conflict of interest allegations that forced a temporary adjournment of hearings last week.

Carr said the NEB has to decide how to proceed if it wants to meet a 21-month deadline, required under laws adopted by the previous Conservative government, to complete the federal review process.

The Board is an independent regulator of pipelines and other energy transmission projects under federal jurisdiction and is run by members appointed by government with a workforce of public servants that includes engineers, scientists, lawyers and other support staff.

Many business and union leaders believe the pipeline would create jobs and provide a boost to Canada's slumping oil industry, but vocal opposition from First Nations leaders, environmental groups, landowners and mayors maintain the project is too risky and would put Canada's climate targets out of reach.

Some industry experts have expressed concerns that the scandal is decreasing the odds that the multibillion dollar project would actually get built.

The adjournment and recusals were prompted by recent reports by National Observer about inappropriate private meetings held by the NEB's chief executive Peter Watson, along with panel members, to discuss Energy East — a 4,500 kilometre crude oil pipeline that is being proposed by Calgary-based energy company, TransCanada Corp.

"We will give them the members they need to do their job responsibly," said Carr on Tuesday. "The National Energy Board is, you know, a quasi-judicial body that’s independent of government. It’s governed by a statute. It has its responsibilities, and it’s performing those responsibilities. And at the end of the process, the government has the final say on whether or not this project or any other that’s currently before the NEB is in the national interest."

The scandal has also affected the NEB's chief executive Peter Watson, who was forced to recuse himself from any dealings with the Energy East process since he participated in the private meetings with stakeholders in January 2015. One of those meetings was with former Quebec premier Jean Charest, who was working for TransCanada at the time and gave the Board political advice about gaining public support for pipelines.

A director from the NEB's Montreal office who attended the meeting was also reassigned, the regulator said in documents released on Friday.

Several First Nations leaders, including Ghislain Picard, chief of the Assembly of First Nations of Quebec and Labrador, have called for Watson's resignation in the wake of the scandal and a brand new review. Environmental groups have also criticized the decisions made by the previous panel, which accepted TransCanada's application as complete, even though it included no information about risky water crossings beneath the Ottawa and Saint Lawrence Rivers.

When asked whether the scandal could delay the process, Carr said: "It could be changed modestly, depending on whether or not they determine they have to go back to square one, but you know, we are committed to making sure that every Canadian who has an opinion on this has the right to express that opinion."

Carr added that he was not concerned about whether it would be difficult to find new bilingual experts to appoint to the Board, who would then wind up reviewing the proposed pipeline.

"T​he government has the responsibility and the authority to appoint those members to the National Energy Board," Carr said. "Traditionally, the chair of the Board determines on what panels they sit, but on the Energy East panel there are qualities that are very important to consider. So that’s our responsibility, and we’ll take it seriously and we’ll do it as quickly as we can."

When asked to respond to Carr's comments, TransCanada said it was continuing to engage with stakeholders, including municipalities, land owners and Indigenous communities, and that the company would follow the federal process.

“There honestly isn’t much for me to add,” said TransCanada spokesman Tim Duboyce. “As a company with a project under review by the National Energy Board, our job is to follow directives, which means participating fully in the process, listening to questions and issues raised, and to address them.”