The phrase "unless mandated" is correct and usable in written English.
You can use it to indicate that something should or must not happen, unless it is officially required. For example: "Drivers should not use cell phones while operating a vehicle, unless mandated by law."
At the on-line level, unless mandated by extraneous factors, a surgical crew performs all surgical cases assigned to the OR, sequencing them in a non-increasing order of their largest expected surgical time.
Given the low carbon footprint of natural gas and projections of abundant supplies and low prices for the foreseeable future, utilities will continue to opt for gas-fired generation unless mandated to do otherwise.
Outside of the collective bargaining context, for example, courts have determined that negotiators may make take-it-or-leave-it offers, can refuse to attend meetings (unless mandated to do so by a court), and they can withdraw their consent to provisions that they previously agreed to.
Further, nutritionists believe that a drastic cold-turkey reduction, unless mandated by a medical condition, is unlikely to succeed.
Initiative 591, which would have loosened gun laws by prohibiting background checks on gun purchases unless mandated by federal law, was turned down by about 54percentt of voters.
Seeking a second opinion also takes time and incurs additional costs, and unless mandated or widely accepted, might create mistrust between the patient and surgeon.
This dose remained fixed for all cycles unless toxicity mandated dose reduction.
There are also concerns that family planning and reproductive health services have been increasingly strained in many places by the decreases and shifts in donor funding away from reproductive health and into HIV programs, unless specifically mandated by donors or national health systems as a needed part of HIV care [ 8].
"Modifying an existing technology, unless it is mandated by some government agency, will not likely go anywhere".
"As a cost-competitive business, the industry is reluctant to take on extra safety measures unless they are mandated by the FAA," he says.
"There is no doubt," the group said, "that coverage of abortion will be mandated, unless Congress explicitly excludes abortion from the scope of federal authority to define 'essential benefits.' " Even if the health secretary did not require coverage of abortion, the group said, "federal courts would interpret the broadly worded mandatory categories of coverage to include abortion".
