Nurseries that offer WCR Verified seedlings provide quality assurance for coffee seed and seedling buyers. WCR Verified is the first such independent program for the coffee agricultural sector. Verification audits are conducted according to a strict protocol developed and validated with third-party certification and standards expert, NSF, together with coffee genetics and agronomy experts from World Coffee Research. Nurseries are Verified for a period of two years, after which time they may see re-Verification.