In the case of ordinary work premises on land, that might be a good argument. (newlawjournal.co.uk)
The NLRA protection extends to concerted activity both on and off work premises. (fooddrink-magazine.com)
The notion of the Surrealists, and the exquisite corpse was a conceptual experiment of art making — this same concept is the beginning working premise for this exhibition. (hydeparkart.org)