1. Salesforce Help, Consumer Goods Cloud Documentation, "Set Up Recommended Tasks": This official guide explicitly states, "To recommend tasks for a visit, associate an action plan template with a retail store, a retail store group, or an account. You can create an action plan template and then associate it with a target." This directly confirms the three correct levels.
2. Salesforce Developer Guide, Object Reference, ActionPlanTemplateStore: The documentation for this junction object details its purpose: "Represents the association between an action plan template and a retail store, a retail store group, or an account." This object is the mechanism used to create these three types of associations.
3. Salesforce Help, Consumer Goods Cloud Documentation, "Action Plans in Consumer Goods Cloud": This section provides context on how Action Plan Templates are a core component for creating standardized visit tasks. It describes their role in ensuring consistent execution, which is achieved by associating them with the appropriate business entities like Accounts, Retail Stores, and Retail Store Groups.