155 



7 



1 with the preservation and proper management of 



2 park resources and values, and shall establish such 



3 other conditions for issuance of such an authoriza- 



4 tion as the Secretary determines appropriate for the 



5 protection of \isitors, provision of adequate and ap- 



6 propriate visitor services, and protection and proper 



7 management of the resources and values of the park. 



8 (c) Limitations. — Any authorization issued under 



9 this section shall be limited to — 



10 (1) commercial operations with annual gross 



11 revenues of not more than $25,000 resulting from 



12 services originating and provided solely within a 



13 park pursuant to such authorization; or 



14 (2) the incidental use of park resources by com- 



15 mercial operations which provide services originating 



16 outside of the park's boundaries: Provided, That 



17 such authorization shall not provide for the con- 



18 struction of any structure, fixture, or improvement 



19 on Federal lands within the park. 



20 (d) Duration. — The term of any authorization is- 



21 sued under this section shall not exceed two years. 



22 (e) A person, corporation, or other entity seeking or 



23 obtaining an authorization pursuant to this section shall 



24 not be precluded from also submitting proposals for con- 



25 cession contracts. 



