January

• 31 - OP&F payroll deductions, member contribution payroll reports and payments for December 2005

February

• 28 - OP&F payroll deductions, member contribution payroll reports and payments for January 2006
• 28 - 1st pre-employment physical bill (November 2005 - January 2006)

March

• 31 - OP&F payroll deductions, member contribution payroll reports and payments for February 2006
• 31 - 4th quarter employer bills (October - December 2005)

April

• 30 - OP&F payroll deductions, member contribution payroll reports and payments for March 2006

May

• 15 - 1st semi-annual accrued liability bills
• 31 - OP&F payroll deductions, member contribution payroll reports and payments for April 2006
• 31 - 2nd pre-employment physical bill (February - April 2006)

June

• 30 - OP&F payroll deductions, member contribution payroll reports and payments for May 2006
• 30 - 1st quarter employer bills (January - March 2006)

July

• 31 - OP&F payroll deductions, member contribution payroll reports and payments for June 2006

August

• 31 - OP&F payroll deductions, member contribution payroll reports and payments for July 2006
• 31 - 3rd pre-employment physical bill (May - July 2006)

September

• 30 - OP&F payroll deductions, member contribution payroll reports and payments for August 2006
• 30 - 2nd quarter employer bills (April - June 2006)

October

• 31 - OP&F payroll deductions, member contribution payroll reports and payments for September 2006

November

• 15 - 2nd semi-annual accrued liability bills
• 30 - OP&F payroll deductions, member contribution payroll reports and payments for October 2006

December

• 31 - OP&F payroll deductions, member contribution payroll reports and payments for November 2006
• 31 - 3rd quarter employer bills (July - September 2006)
• 31 - 4th pre-employment physical bill (August - October 2006)