Apply tan

HELLO FRIENDS, MY CLIENT RUNS THE PROPRIETORSHIP FIRM AND HE WANTS TO APPLY FOR TAN NOW PLS. TELL ME WHETHER TAN APPLIES ON HIS PERSONAL NAME OR FIRM NAME BECAUSE HE IS INDIVIDUAL.

OR I APPLY THE TAN ON PERSONAL NAME AND ADDRESS FIELD I GIVE HIS FIRM NAME.

IS IT OK OR I HAVE TO FILE BRANCH OF INDIVIDUAL COLUMN.

PLS. HELP ME.

THANKS.