Praise for new building consenting rules.  

The Government will change liabilities, holding parties responsible for their share of work.  

Certified Builders Chief Executive Malcolm Fleming says the building guarantee or building system should be mandated.  

He told Ryan Bridge that will add cost to the price of building, but it's minuscule in the scale of things.  

Fleming says on a $500,000 project, a guarantee would cost just $1,500.  

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