Costly Production Errors Reduced

+when a mailing is scheduled to drop;
+number of proofs you need to see and at what time;
+number of samples;
+a list of what documents you’ll provide and when;
+how you’ll evaluate print and color quality;
+what will happen when an error is made.

The latter should be agreed upon beforehand. For example, if the printing is unacceptable, it should be agreed that the vendor will reprint at no charge.