Section 23(1) in The Delhi Apartment Ownership Act, 1986
(1)Upon the sale, bequest or other transfer of an apartment, the purchaser of the apartment or the grantee or legatee or the transferee, as the case may be, shall be jointly and severally liable with the vendor or the transferor for all unpaid assessments against the vendor or transferor for his share of the common expenses up to the time of the sale, bequest or other transfer, without prejudice to the right of the purchaser, grantee, legatee or transferee to recover from the vendor or the transferor any amount paid by the purchaser, grantee, legatee or transferee therefor.
