After the split in the party last week, the factions led by Mulayam Singh Yadav and his son Akhilesh had approached the Commission staking claim over the party and the symbol.
Both the sides had also submitted some documents to further their claim and the Commission has given them time till Monday to provide signed affidavits of legislators and office bearers to claim control over the party's name and symbol.
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The Commission, sources said, will have to decide on who commands the majority in SP before January 17 when the notification for the first phase of assembly polls is issued. The election for phase one is on February 2.
With the notification, the process of filing nominations will begin. Candidates from Mulayam and Akhilesh camps cannot fight an election on cycle symbol at the same time, therefore, the EC will have to take a call on the issue before that date.
"These will be days of fast-paced developments. January 17 is still far...Yes, if both sides claim support of an equal number of legislators and office bearers and EC is unable to take a final decision, an interim order can be passed ... freezing the symbol is one such option available," a source said.
Another source said if the two sides are willing to settle issue fast, EC can arrive at a conclusion before January 17.
According to the sources, if elections are imminent, then the poll body does not have the time to verify the legislative majority of both factions. In such a situation, it can pass an interim order asking both sides to pick a new party name and symbol.
This happened in the case of Uttarakhand Kranti Dal, a recognised state party in 2011. Both factions laid claim to the symbol 'chair'.
The poll panel had then approved Uttarakhand Kranti Dal (P) with the symbol 'cup and saucer' for one group led by Trivender Singh Pawar and Jantantrik Uttarakhand Kranti Dal and 'kite' as the new name and symbol for the faction led by Diwakar Bhatt.