Top members of North Korea’s parliament enacted a new law that requires businesses to take on extra land, energy and cost-saving practices, signaling that resources are tight in the country.

State media announced on Thursday that North Korea’s Supreme People’s Assembly (SPA) Presidium held a meeting on Nov. 4, where leaders added new measures to the existing “Law on Enterprises.”

According to the Korean Central News Agency (KCNA), the latest revisions newly stipulate labor, land, energy and cost-saving measures, adding that employees should comply as part of their “patriotic” spirit.

“The talk of [savings] is quite interesting,” Peter Ward,