I have been doing some study on the Laws regarding Extra-Terrestrial contact and activity. I don't have very many but I will tell you what I do have.

1211.100 Title 14 Aeronautics and space.
Part 1211-Extra-Terrestrial Exposure

1211.100 Scope.
This part establishes: (a)NASA policy, responsibility and authority to guard earth against any harmful contamination or adverse changes in its environment resulting from personnel, spacecraft and other property returning to earth after landing on or coming within the atmospheric envelope of a celestial body; and
(b)security requirments, restrictions and safeguards that are necessary in the interest of national security.


1211.101 Applicability.
The provisions of this part applyto all NASA manned and unmanned space missions which land or come within the atmospheric envelope of a celestial body and return to Earth.


1011.102 Definitions.
(a)"NASA" and the "Administrator" mean, respectively the national Aeronautics and space Administration ad the "Administrator of the national Aeronautics and Space Administration or his authorized representative.
(b) "Extra-Terrestrially exposed" means the stateor condition of anyperson, property, animal or other form of life or matter whatever, who or which has
(1) Touched directly or come within the atmospheric envelope of any other celestial body; or
(2)Touched directly or been in close proximityto or been exposed indirectly to) any person, property, or animal or other form of life or matterwho or which hasbeen Extra-Terrestrially exposed by virtue of paragraph (b) (1) of this section.

For example, if a person or thing "A" touchhes the surface of the moon, and on "A's" returning to earth, "B" touches "A" and, subsequently, "C" touches "B" all of these "A" through "C" inclusive would be Extra-Terrestrially exposed ("A" and "B" directly; "C" indirectly).
(c) "Quarantine" means the detention, examination and decontamination of any person, property, or animal or other form of life or matter whatever that is Extra-Terrestrially exposed, and includes the apprehension or seizure of such person, property, animal or other form of life or matter whatever.
(d)"Quarantine period" means a period of consecutive calender days as may be established in accordance with 1211.104(a)


1211.104 Policy.
(a) Administrative actions. The Administrator or his designee...shall in discretion:
(1)Determine the beginning and duration of a quarantine period with respect to any space mission; the quarantine period as it applies ta various life form will be announced.
(2) Designate in writing quarantine officers to exercise quarantine authority.
(3) Determine that a particular person,property,animal or other form of life or matter whatever is extra terrestrially exposed and quarantine such a person,property,animal or other form of life or matter whatever. The quarantine may be based only on determination, with or without the benefit of a hearing, that there is probable cause to beleave that such a person,property,animal or other form of life or matter whatever is extra terrestrially exposed.
(4) Determine within the united states or within vessels ir vehicles ofthe united states the place,boundaries,and rules of operation of necessary quarantine stations.
(5)Provide for guard services by contract or otherwise,as may be necessary,to maintain security and inviolability of quarantine stations and quarantined persons,property,animal or other forms of life or matter whatever.
(6) Provide for the subsistence,health,and welfare of persons quarantined under the provisions of this part.
(7) Hold such hearings at such times,in such manner and for such purposes as may be desirable or necessaryunder this part,including hearings for the purpose of creating a record for use in making any determination under this part or for the purpose of reviewing any such determination...
(b)(3) During any period of announced quarantine,no person shall enter or depart from the limits of the quarantine station without permission of the cognizany NASA officer. During such period,the posted perimeter of a quarantine stationshall be secured by armed guard.
(4) Any person who enters the limits of any quarantine stations during the quarantine period shall be deemed to have consented to the quarantine of his person if it is determined that he/she is or has been extra terrestrially exposed.
(5) At the earliest practicable time,each person who is quarantined by NASA she be given a reasonable opportunity to communicate by telephone with legal counsel or other persons of his choice...


1211.107 Court or other process.
(a)NASA officers and employees are prohibited from discharging from the limits of a quarantine station any quarantines person,property,animal or other form of life or mater whatever during order to other request,order or demand an announced quarantine period in compliance with a subpoena,show cause or any court or other authority without the prior approval of the general councle and the asministrator.