Due to the growth of its business, Mango Phones Ltd ('Mango') has just changed its status from being a proprietary to a public company. Mango, which sells and services mobile phones and other devices, has appointed additional directors to its board with current experience in sales, marketing, and business development. Mango's finance manager Imelda has just taken on the role of company secretary and has asked you to explain the additional requirements for managing potential conflicts of interest now that Mango is a public company.