Faris was jailed for using the flag and logo of the Progressive Party of Maldives.
The former president and his son deny all charges against them.
Faris Maumoon has been jailed for four months and 24 days.
The lawmaker was charged with identity fraud for using the flag and logo of the ruling party at a press conference.
The detained lawmaker faces a jail term of nine months and 18 days if convicted.
MP Faris Maumoon pleaded not guilty on Monday to an identity fraud charge raised over the alleged unauthorised use of the flag and logo of the...