Normally, the military discounts programs on some occasions of the year. In order to know whether it is offered or not is depended on Viator's policy sales, you can visit the store now for your reference.

To use the Viator coupons on their website, you need to meet the conditions:

•  The items you choose must meet all coupon requirements as explained in the Terms and Conditions.

• The coupon has not expired. 

• The seller uses the Viator checkout system or a customized checkout system that accepts the coupon.

Of course not, most coupons may be used only by you when you received them directly from Viator. As the Viator coupon includes your User ID, it cannot be resold or transferred in any way.

Normally, one discount code is only applied for one offer. However, If the users put a vast of items in their cart, it is easy to use one coupon code to purchase items. It depends on Viator's policy, you can contact Viator via mail for your reference.