Federal Act
on the Intelligence Service
(Intelligence Service Act, IntelSA)

¹ The fol­low­ing in­form­a­tion gath­er­ing meas­ures re­quire au­thor­isa­tion:

a.¹⁶

sur­veil­lance of post and tele­com­mu­nic­a­tions and re­quests for mar­gin­al data re­lat­ing to post and tele­com­mu­nic­a­tions in ac­cord­ance with the SPTA¹⁷;

a^bis.¹⁸

the use of spe­cial tech­nic­al devices to mon­it­or tele­com­mu­nic­a­tions, to re­cord trans­mis­sions or to identi­fy a per­son or ob­ject or to as­cer­tain their loc­a­tion if mon­it­or­ing in ac­cord­ance with let­ter a has been un­suc­cess­ful, would be without pro­spect of suc­cess or would be un­reas­on­ably dif­fi­cult and the li­cences un­der tele­com­mu­nic­a­tions law for the spe­cial tech­nic­al devices have been ob­tained;

b.

the use of loc­al­isa­tion devices to es­tab­lish the loc­a­tion and the move­ments of per­sons or ob­jects;

c.

the use of mon­it­or­ing devices in or­der to listen to and re­cord words spoken in non-pub­lic places or to ob­serve and re­cord events at non-pub­lic or not gen­er­ally ac­cess­ible loc­a­tions;

d.

the in­tru­sion in­to com­puter sys­tems and com­puter net­works in or­der to:

1.

gath­er in­form­a­tion avail­able there or trans­mit­ted from there,

2.

dis­rupt, pre­vent or slow down ac­cess to in­form­a­tion where the com­puter sys­tems and com­puter net­works are be­ing used for at­tacks on crit­ic­al in­fra­struc­tures;

e.

the search of premises, vehicles or stor­age fa­cil­it­ies in or­der to pro­cure ob­jects or in­form­a­tion there or in­form­a­tion trans­mit­ted from there.

² The meas­ures shall be car­ried out cov­ertly; the per­son con­cerned is not made aware there­of.