# Planning considerations—Rule dependencies

Consider the following when planning and defining additional dependencies:

- A Generic Item context cannot have additional dependencies.
- All dependencies associated with a context must have the same scope as the context.

  For example, if a context is defined as a Generic Form context, its dependencies must also be defined with Generic Forms.

- In a Generic Form context, additional dependencies can only be defined in the form specified in the key context.
- An association between two repeating forms can be a dependency of a rule context.

  When you define an association as a context dependency, the rule runs when a user selects or deselects the checkbox control that creates or dissolves an association between a specific instance of a repeating form and the other form in the association.

  A dependency defined for an association must be:

  - Attached to a Specific Visit context.
  - Defined as a Trigger dependency.

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