From the Kohls Website:
We offer a 15% discount every Wednesday for senior citizen shoppers. To take advantage of this special discount, we ask that participants please bring their identification for age verification. This special discount is for Kohl’s customers 60 years and older.
Offer available in-store only. See your local store for more details. Special discount is not valid in conjunction with any extra percent-off discounts including Kohl’s Charge offers. Offer good on all sale-, regular- and clearance-priced merchandise. Offer not valid for price adjustments on prior purchases, Gift Card purchases, or payment on a Kohl’s Charge account. Offer also not valid on the purchase of Kohl’s Cares cause merchandise or other charitable items. Discount will be taken off total transaction, excluding sales tax. See store for details.