Availability of issue material requires lead managers to provide offer documents to market intermediaries and investors before issue opens. Regulation 257 requires lead manager(s) to ensure the offer document and other issue material, including application forms, are made available to stock exchanges, syndicate members, registrar to the issue, registrar and share transfer agents, depository participants, stock brokers, underwriters, bankers to the issue, investors' associations and self certified syndicate banks before the opening of the issue.