Just ask for a copy of your prescription so that you will have it on hand when it's time to order. (littletechgirl.com)
If someone comes to your door selling funeral cover, don't sign anything - just ask for a copy of the brochure and tell them you'll think about it. (moneysmart.gov.au)
Before leaving a veterinary facility, always ask for a copy of the treatment sheet. (napahumane.org)