Part of the "Back to Starbucks" initiative includes mandatory notes on every cup. Internal guidelines reviewed by Business Insider outline specific rules for notes and disciplinary guidelines for infractions. A serious infraction of the rules, like a profane message or repeatedly forgetting to mark a customer's cup, can lead to termination. They had varying interpretations of what notes are permitted under the company guidelines, and said that the enforcement of rules around cup notes has intensified in recent months. An attempt at customer connectionStarbucks' cup writing guidelines were implemented as part of the company's "Back to Starbucks" campaign.