Any AE2400 ($1-$5) validator from Week 40 of 2002 to current can take coupons already. Any AE2400 ($1-$5) validator from Nov. 1999 to October 2002 can be upgraded via a BPM to accept the coupon. Any AE2600 ($1-$20) validator from week 44 of 2003 to current can take coupons already.