On May 17th, we’ll be adding three requirements to our existing AdWords policies that cover disclosure and usage of personal information. These requirements will apply everywhere AdWords is available.

If your site requests payment, financial, or personal information from visitors, please review the new requirements and make any needed changes to avoid having your ads suspended.
  1. Clear, accessible disclosure before visitors submit personal information
    Our existing policy requires you to clearly describe how any personal information you solicit will be used. Soon, we’ll require that your description must also be easily accessible before site visitors submit their details.
  2. Option to discontinue direct communications
    In the same description of how personal information will be used, you’ll also be required to describe how people can opt out of future emails, phone calls, or other direct communications.
  3. SSL when collecting payment and certain financial and personal information
    Many websites use what are known as Secure Sockets Layer (SSL) connections to encrypt sensitive information that travels between the user's browser and the website's servers. To help ensure user safety, AdWords policy will require all advertisers to use SSL when collecting payments and certain financial and personal information (like bank account and social security numbers).
Upcoming AdWords policy changes to better protect people’s personal and financial information - Inside AdWords

For information