Some Important Dates to Note

1 March 2008:
The Economic Restructuring Shares (ERS) scheme will be closing soon. Look out for a mail from CPF on how to get all the alloted shares converted to cash.
www.nss.gov.sg/ers_ovw.htm

15 April 2008:
The deadline for filing your income tax. E-filing can be done from 1 March 2008.
www.iras.gov.sg

30 April 2008:
The first installment of Growth Dividends announced in Budget Statement 2008 on 15th February 2008 will be paid. Look out for a mail from CPF in mid April 2008 for the amount of Growth Dividends you will be receiving.
www.singaporebudget.gov.sg/growth_dividends.html

1 July 2008:
The second payment of GST offset credits from GST Offset Package announced in year 2007 will be paid. Again, a mail from CPF on the amount of GST offset credits you will be receiving will arrive in mid April 2008, together with the Growth Dividends.
www.gstoffset.gov.sg/GSTCredits.htm

NB: Please check and verify with the original sources. The dates are given to my best knowledge.