why is it going nuts, page-30

"Pooled Development Fund shareholders are exempt from tax on the income and gains derived from holding and disposing of Pooled Development Fund shares.
The extent of the above tax benefits depends upon a number of factors. Pooled Development Funds and their shareholders should seek professional tax advice"


http://www.ausindustry.gov.au/VentureCapital/PooledDevelopmentFundPDF/Documents/Fact%20Sheets/PDF%20Dec08.pdf

"Income and gains form holding and disposing of Pool Development Fund shares"
Nothing at all about 12 months , seek your own advice , in my opinion you don't gain a better tax benefit after 12 months its available instantly.