; and (2) by adding at the end the following: (e) Use of existing authorities (1) In general The Secretary shall use existing authorities, including waivers and safety approvals, as appropriate, to make more efficient use of resources, reduce the regulatory burden for an applicant under this section, and promote commercial space launch and reentry. (2) Expediting safety approvals The Secretary shall expedite the processing of safety approvals that would reduce risks to health or safety during launch and reentry. . (c) Restrictions on launches, operations, and reentries Section 50904 of title 51, United States Code, is amended by adding at the end the following: (e) Multiple sites The Secretary may issue a single license or permit for an operator to conduct launch services and reentry services at multiple launch sites or reentry sites. . 103. Experimental permits Section 50906 of title 51, United States Code, is amended by adding at the end the following: (j) Use of existing authorities (1) In general The Secretary shall use existing authorities, including waivers and safety approvals, as appropriate, to make more efficient use of resources, reduce the regulatory burden for an applicant under this section, and promote commercial space launch and reentry. (2) Expediting safety approvals The Secretary shall expedite the processing of safety approvals that would reduce risks to health or safety during launch and reentry. . 104. Government-developed space technology Section 50901(b)(2)(B) of title 51, United States Code, is amended by striking and encouraging . 105. Regulatory reform (a) Definitions The definitions set forth in section 50902 of title 51, United States Code, shall apply to this section. (b) Findings Congress finds that the commercial space launch regulatory environment has at times impeded the United States commercial space launch sector in its innovation of launch technologies, reusable launch and reentry vehicles, and other areas related to commercial launches and reentries. (c) Regulatory