Section 51(4)(c) in The West Bengal Panchayat Elections Act, 2003
(c)allot symbol to a candidate set up by a recognised political party or a local political party reserved for that party, as the case may be, if a declaration to that effect has been made by the candidate in his nomination paper and a notice in writing has been issued by the prescribed authority of the recognised political party or local political party in such manner as may be prescribed.