When was the mandate that a candidate at an election should file with his nomination papers an affidavit recording the particulars of the spouse and the dependents, enforced at a General Electon for the first time?

• Assembly elections held in Madhya Pradesh/chhattisgarh in Dec.2003
• Assembly election held in Mizoram in Nov.2003
• Assembly elections held in Himachal Pradesh in 2003
• Assembly elections held in Rajasthan/Delhi in Dec.2003