entitled to full commissary privileges. Children until their military-parent leaves the service (without a full combat related disability) or they reach the age of 21 or age 23 if enrolled in college full-time. Survivors Spouses of fallen Servicemembers in combat have unlimited commissary privileges. Unmarried children of the deceased servicemembers in the line of duty may use commissary privileges, until they are twenty-one, or twenty-three if enrolled in a full-time course of study in a secondary school or in a full-time course of study in an institution of higher education. Personal agent Authorized Commissary patron may designate an agent or representative, on a temporary basis not to exceed one year, to accompany and assist an authorized patron to the commissary under the following conditions: In extreme hardship cases. When no adult dependent member is capable of shopping due to injury, illness, incapacitation or being stationed away from their household (i.e. deployment, TDY, school, training). Any person chosen by a blinded or other severely disabled eligible patron to assist the patron. The personal agent will be provided official agent credentials or an approval letter, and then may enter any commissary to shop on behalf of the authorized patron. Only an installation commander can authorize agent privileges. Guard/Reserve On-Site Sales Guard/Reserve On-Site Sales is a program that allows Guard/Reserve members and their families, and any authorized shopper living long distances from a commissary store. The sales which provide patrons significant savings; the same as active duty military personnel that shop regularly at the commissaries. Guard/Reserve On-Site Sales are held at Reserve Centers, National Guard armories and Air National Guard bases. Commissaries today Today's customers also pay a surcharge on their purchases, which was mandated by Congress in 1952 to make commissaries more self-sustaining. The surcharge, which has been set at 5 percent since April 1983, provides modern shopping facilities for service members at a reduced cost to taxpayers. Unlike a tax, surcharge funds go right back into the commissary to work for commissary customers, paying for the cost of building new stores, renovating and repairing existing ones and purchasing equipment and store-level information technology systems such as cash registers. Commissary patrons worldwide save thousands of dollars annually on their grocery bills. Customers can use manufacturer's coupons to save even more on their commissary purchases. Annual sales now are nearly $5 billion. Surveys consistently rate the commissaries as one of the military's top