Mistakenly fined!

BERIKUT ADALAH SENARAI SAMAN SEHINGGA 19/12/2009:

POLIS: BJN9034 Saman 1 10/31/2008 7:00:00 PM SHAH ALAM RM30.00 HALANGAN LALULINTAS 1-DA610923
POLIS: BJN9034 Saman 2 7/19/2009 10:30:00 PM MANJUNG RM200.00 TIDAK PAKAI TOPI KELEDAR 2-AA386398

How do i prove that these are not my tickets?

and... Since when do we have to use helmet while driving a car?