<s>
HOTA	B-Algorithm
is	O
an	O
acronym	O
for	O
Home	B-Algorithm
Office	I-Algorithm
Type	I-Algorithm
Approval	I-Algorithm
,	O
a	O
testing	O
and	O
certification	O
process	O
by	O
the	O
Home	O
Office	O
in	O
the	O
United	O
Kingdom	O
that	O
speed	B-General_Concept
cameras	I-General_Concept
must	O
pass	O
before	O
evidence	O
from	O
them	O
can	O
be	O
admissible	O
in	O
UK	O
courts	O
by	O
way	O
of	O
certification	O
in	O
accordance	O
with	O
Section	O
20	O
of	O
the	O
Road	O
Traffic	O
Offenders	O
Act	O
1988	O
(	O
RTOA	O
)	O
(	O
Amended	O
by	O
the	O
Road	O
Traffic	O
Act	O
1991	O
)	O
.	O
</s>
<s>
The	O
accuracies	O
required	O
to	O
meet	O
HOTA	B-Algorithm
,	O
as	O
laid	O
out	O
in	O
the	O
Speedmeter	O
Handbooks	O
,	O
are	O
agreed	O
internationally	O
.	O
</s>
<s>
They	O
are	O
not	O
particularly	O
challenging	O
to	O
meet	O
for	O
modern	O
digital	O
equipment	O
however	O
,	O
HOTA	B-Algorithm
requirements	O
extend	O
beyond	O
accuracies	O
;	O
it	O
is	O
often	O
the	O
requirement	O
that	O
an	O
instrument	O
must	O
not	O
cause	O
a	O
violation	O
record	O
to	O
be	O
made	O
when	O
no	O
violation	O
exists	O
that	O
is	O
the	O
most	O
difficult	O
to	O
meet	O
.	O
</s>
<s>
Roadside	O
equipment	O
such	O
as	O
fixed	B-General_Concept
cameras	I-General_Concept
must	O
pass	O
environmental	O
testing	O
before	O
deployment	O
in	O
road	O
testing	O
.	O
</s>
