My Current tier 2 ICT Visa expires on Oct 14 2023 but i have applied and got my new Skilled worker VISA decision yesterday (am yet to get BRP) which has work start date Dec 12 2023 in COS. my last working day in current organization is Dec 03 2023. can i continute to serve my notice period post Oct 14 2023 in current employer in UK as my ICT Visa has expired?
Please reply .if possible provide some official links that can justify your inputs.

Thank You.
Regards,
Siba