It depends.  Most robocalls are illegal, but they are allowed for

  • certain informational calls (for example, financial fraud alerts, medication refills and healthcare appointment reminders)
  • political groups and charities
  • sales purposes when you’ve given prior written consent

No, a store in California can’t 

  • make you to provide a credit card in connection with any part of the check transaction
  • make you to sign a statement agreeing to charge your credit card the amount of the check (if the check bounces)
  • contact your credit card company to find out if you have enough credit available to cover the check
  1. Exception: when the check is used to get cash or used to make a payment on another credit card.

Stores will often ask you to show your driver’s license (or other government-issued ID) when you return a purchase and then record your information along with information about the returned items to help identify patterns of return fraud or abuse. They'll usually post return policies (in the store, online and on receipts) stating whether you will be required to present an ID to return or exchange merchandise.