Hold the press sorry.After a little more reading it seems you...

Hold the press sorry.
After a little more reading it seems you don't need to be holding on the record date. On the 6/4/2010 (the record date) you would show on the register as a rights holder if you held upto the ex date 29/3/2010

from ASX
cum rights issue
Applies to renounceable Rights Issues. The Rights issue may be the right to any tradeable product. The purchaser of securities cum rights is entitled to receive and trade the Rights securities. Securities are traded cum rights until the Ex Rights date. Trading in the Rights securities begins on the morning of the Ex Rights date and ends at the close of business on the Rights Trade Cease date. The renounceable Rights are traded on a deferred settlement basis until the day after the Rights securities are despatched to clients. On the Business day following the despatch date of the Rights, the Rights commence trading on a T+3 settlement basis.

http://www.asx.com.au/research/announcements/status_notes.htm