Cattle Imports Ltd has decided to expand. The board of directors decides to issue $5 million worth of shares in the company to fund the expansion. They are proposing:

1. $1 million worth of shares to one large institutional investor;
2. $3 million worth of shares to be available for purchase through the Australian Stock Exchange.

Provide advice to Cattle Imports Ltd on whether they legally need to prepare any documentation for this proposed share offer, referencing applicable laws.

(Explain how those laws may be interpreted by existing common law and equitable rules and applied to corporations and trusts).