It's a vague and void statement. Mere declaration of the planes capability, but no template exists for such approval.
The airline need to build it with their CAA, the sentence itself is a form of no-technical-objection from the OEM.
Some might say that it is illegal, against all airmanship, and dangerous.
Others know how to fly the 2NDB to Ulyanovsk at 5:30 a.m. in late November.