The UN agency for migration on Sunday said UNHCR had deployed equipment and technical capacity to support the government.
Some 13,418 people had taken part in the biometric registration as of Sep 23, and large crowds of people have been observed waiting to be registered, it said.
IOM said an estimated 436,000 Rohingya refugees took shelter in Bangladesh since the Aug 25 violence in Rakhine State.
Over the last two days, movement across the border reportedly decreased with only small numbers of people noted to be moving into Cox’s Bazar, it said.
Refugees who have arrived since Aug 25 continue to move to the new Kutupalong Expansion site, where they are constructing new shelters.
The government has deployed the Army to support the distributions undertaken by the government and private individuals.
The Army is planning to support the construction of new roads to ensure better access to all sites.