permit up to
permit up to (something)
1. To grant one permission ascend to something or some place. In this usage, a noun or pronoun is used between "permit" and "up to." I don't permit my children up to the attic. The CEO wouldn't permit investigators up to the top floor of the company's headquarters.
2. To allow for an amount not higher than some figure. Our license permits up to 150 people to be inside at one time. Each self-contained office in the complex permits up to six one-person desks. The new law permits up to 60% of earnings to be protected from income tax.
permit someone up to something
to allow someone to come up to something or some place. The teacher would not permit the smallest children up to the edge. They would not permit us up to the gate before our turn came.