NDIS Minister Linda Reynolds will on Thursday publish a paper explaining a proposed new flexible funding model for participants, as well as how controversial independent assessments would be used to determine individual packages.

The report includes another acknowledgment from agency boss Martin Hoffman about the "fear and concern" surrounding the reform agenda, as he again expressed a "deep regret" over how consultation has been handled so far.

The report's release is part of a fresh round of consultation instigated by Senator Reynolds after she bowed to public pressure and halted plans to bring forward legislation to usher in the new regime.

The most controversial element of the reforms is the introduction of mandatory independent assessments for participants.

While Senator Reynolds this week ruled out introducing the controversial model trialled on participants, she remains committed to use of private contractors to assess functional capacity.

A key concern among the disability community has been how assessment results would be used to calculate funding, with many fearing their plans could be slashed under the new system.

One of the architects of the scheme, Bruce Bonyhady, has dubbed the process "robo-planning" because of what he sees as similarities with the illegal robodebt compliance program.

Mr Hoffman last month provided a further insight, explaining how participants would be matched to one of 400 "personas" based on similar disability types. A budget would be attached to each persona.

After Liberal senator Hollie Hughes described that process as "dehumanising" and "offensive", Senator Reynolds sought to clarify that individual circumstances and goals would be factored in before final funding decisions were made.

The new report states that factors such as where a participant lives, how old they are and what access they have to informal supports would all be taken into account.

The second plank in the reform is changes to give participants greater freedom over how they spend their funds.

Under the proposed new model, participants' budgets would be split into two streams - fixed and flexible.

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"What I have clearly heard is that participants want more flexible budgets and greater choice and control over their supports and their lives," Senator Reynolds said.

"Instead of creating a plan that has funding based on individual items and supports, the proposed changes will see participants receive one overall budget that they can use flexibly.

"This was the original intent of the NDIS - for people with disability to be in control of the services and supports they purchase."

The Guardian on Wednesday reported Senator Reynolds had conceded that the Morrison government did not currently have parliamentary support to pass its reforms.

In an attempt to win public support and repair the fractured relationship with the disability community, Senator Reynolds and Mr Hoffman have promised to consult widely and publish more information about the changes.

"I'm committed to openness and transparency, to build trust within the community so participants can be reassured that some things won't change under this new proposal," Senator Reynolds said.

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