Delta Leasing and Finance, Muller and Phipps India, Unimers India and Visu International will be transferred to the Z group from September 1, the BSE said in a notice dated August 24.
The Z group includes companies that have failed to comply with Sebi's listing requirements.
The firms will be moved to the restricted trading category "due to non-compliances" for two consecutive quarters -- January-March and April-June -- with Regulation 31 of Sebi (Listing Obligations and Disclosure Requirements) Regulations, the exchange said.
The BSE also said the trades in the four scrips executed in the Z group will be settled on the trade-for-trade basis.
Under this segment, no speculative trading is allowed, and delivery of shares and payment of consideration amount are mandatory.
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