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validFrom

A Schema.org Property
The date when the item becomes valid.
Values expected to be one of these types
Date
DateTime
Used on these types
Demand
LocationFeatureSpecification
MonetaryAmount
Offer
OpeningHoursSpecification
Permit
PriceSpecification

Acknowledgements

This term uses terminology from the GoodRelations Vocabulary for E-Commerce, created by Martin Hepp. GoodRelations is a data model for sharing e-commerce data on the Web. More information about GoodRelations can be found at http://purl.org/goodrelations/.