In addition to DAT/BEN objects, other object cases lower on the topicality hierarchy may also be “promoted” to DO — but always with obligatory verb-coding of the semantic role of the “promoted” object.
Standardized
IF Dative/Benefative objects can be promoted to direct object, THEN other object cases lower on the topicality hierarchy may also be “promoted” to direct object — but always with obligatory verb-coding of the semantic role of the “promoted” object.
Givon’s examples are KinyaRwanda, Nez Perce