Unique to Australia to avoid double-taxation. Useful for tax-planning and applicable only if you have your own company or investment company.
Company income $100 at 25% tax implies Company Profit =75%.
Company pays dividend on $75 - cannot be taxed again on $75 without considering the tax already deducted ($25).
Shareholder lodges tax return, gross up the dividend = $100 (75+25), and what's the tax on $100 on individual rate - Tax already paid.
Pay dividend earlier and increase borrowing capacity although tax on dividends will e paid in advance.
Park the franking credits from company until low tax times. Park the profits in non-trading company and pay as dividends from non-trading company during low income years.