Ans: Document Procedures Control Principle is violated.
Explanation :
As per Document Procedures Control, documents for all transactions must be generate. In this condition, receipt is generated only for the persons who have asked for one. It means that documents for all transactions are not generated as it is a Document Procedures related error. Hence here, Document Procedures Control Principle is violated.
C.3: Ch 5 HW Saved Your student club recently volunteered to go door-to-door collecting cash donations...