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OPERA (Offers and Prospectuses Electronic Repository and Access) is an electronic system which allows for:

(i)     lodgments of prospectuses for offers of shares, debentures, and units in business trusts and collective investment schemes        


(ii)       lodgments of offer documents in respect of mergers and acquisitions under the Singapore Code on Take-Overs and Mergers;

(iii)      submissions of applications for authorization/recognition of CISs and updates on information on CISs; and

(iv)      submissions of applications for registration, and regulatory lodgments, of business trusts.


OPERA also allows any member of the public to:

(i)     view prospectuses lodged with or registered with MAS and comment on lodged prospectuses before MAS registers them;

(ii)    find out the status of prospectuses lodged with MAS;

(iii)   view offer documents concerning take-overs and mergers; and

(iv)   request for extracts of the register of business trusts.