Education minister Jacqui Smith said the move would create "a clear legal requirement for schools".
The access route to Morro Dois Irmãos was blocked during the operation in Vidigal, leaving scores of alarmed sightseers stuck on the hill.
Patel alleges that the magazine published false and harmful claims about his conduct, including accusations of excessive drinking and unexplained absences from duty.
The prime minister has been back in the Commons after it emerged the Labour peer failed vetting.
A man is on trial accused of murdering 13-month-old Preston Davey in Blackpool.