In September last year, Chancellor Merkel's government proposed streamlining the procedure by setting up a committee of nine members of the Bundestag to decide on behalf of the full parliament.
Medicare started paying for IMRT in 2002, setting its reimbursement rate for the procedure high to take into account the costs of the technology and the added personnel required to administer it.
It calls for the setting up of a scheme for "recommended" builders, based on stringent vetting and an agreed disputes procedure to help owners find a reliable firm to do the job.