Use of other dimension filter in business rule

Hi,

Could you please let me know how to increase number of default character length for Dimension Filter in business rule as i can add max 200 character in Dimension Filter with OR option :

I want to add given string in Dimension filter but system allow me to add max 200 Character in Dimension Filter box.

TRADING_PARTNER=TP_1100 OR TRADING_PARTNER=TP_1200 OR TRADING_PARTNER=TP_1300 OR TRADING_PARTNER=TP_2100 OR TRADING_PARTNER=TP_2200 OR TRADING_PARTNER=TP_2300 OR TRADING_PARTNER=TP_5100 OR TRADING_PARTNER=TP_5200 OR TRADING_PARTNER=TP_9100 OR TRADING_PARTNER=TP_9300 OR TRADING_PARTNER=TP_9500

Pls Guide me.

Sam