Sri Lankan police have instructed families in Trincomalee to register their details with authorities.
Families were ordered to complete three copies of the 'family details' form from the local Grama Sevaka.
One copy is to be submitted to the Grama Sevaka for approval, one to for police approval, and one to be kept on display at home by the family.
"This is what we had to do during the war," one resident, Kannan, said.
"The police have brought it back."