Burma has overturned a 1988 ban on public gatherings of more than 5 people in further moves to liberalise the country.
Buddhist monks held protest rallies in defiance of the law in December, after authorities cracked down on another protest in the previous month.
The country has seen widespread democratic reforms, with bans on provate newspapers lifted last month after 50 years.
However the army still stands accused of human rights violations in its war against Kachin rebels and its treatment of ethnic Rohingyas in the west of the country.