Recurring Donation
If you select "I want to make a recurring donation", you will be registering to make a credit card donation every month, 3 months, 6 months or year. After you complete this initial donation, future donations will be made automatically. For example, if you choose to make a recurring monthly donation of $10.00, your next donation of $10.00 will be automatically charged to your account one month from today.

You will receive an email receipt for each recurring donation. You can always review and change your donation options (amount, frequency, billing information, cancellation) at any time by logging in to your paypal account. (That ability is a b it hidden, its location is under "My Account" top menu tab, then click second level top menu tab "history" , then at show field click down arrow to select subscriptions or recurring payments.