of the Federal Aviation Administration shall update existing regulations to authorize the carriage of property by operators of small unmanned aircraft systems for compensation or hire within the United States. (b) Contents Any rulemaking conducted under subsection (a) shall provide for the following: (1) Use performance-based requirements. (2) Consider varying levels of risk to other aircraft and to persons and property on the ground posed by different unmanned aircraft systems and their operation and tailor performance-based requirements to appropriately mitigate risk. (3) Consider the unique characteristics of highly automated, small unmanned aircraft systems. (4) Include requirements for the safe operation of small unmanned aircraft systems that, at a minimum, address— (A) airworthiness of small unmanned aircraft systems