erogations
An erogation is a relaxation or exemption from a general rule or norm, granted by a competent ecclesiastical authority for a specific case, locality, or period. The term is most commonly used in Catholic canon law and liturgy, though related concepts appear in other Christian traditions. Erogations are distinct from a full dispensation; while a dispensation removes the obligation for everyone, an erogation modifies the application of the rule in a limited way rather than abolishing it entirely.
In practice, erogations may allow deviations from liturgical rubrics, such as permitting the use of the vernacular
Authority and procedure: Requests are usually submitted to the local ordinary, bishop, or other superior authority.
History and usage: The concept has roots in medieval canon law where rubrics often allowed exceptions for