<s>
The	O
user	O
requirement(s )	O
document	O
(	O
URD	B-General_Concept
)	O
or	O
user	O
requirement(s )	O
specification	O
(	O
URS	O
)	O
is	O
a	O
document	O
usually	O
used	O
in	O
software	B-General_Concept
engineering	I-General_Concept
that	O
specifies	O
what	O
the	O
user	O
expects	O
the	O
software	O
to	O
be	O
able	O
to	O
do	O
.	O
</s>
<s>
Once	O
the	O
required	O
information	O
is	O
completely	O
gathered	O
it	O
is	O
documented	O
in	O
a	O
URD	B-General_Concept
,	O
which	O
is	O
meant	O
to	O
spell	O
out	O
exactly	O
what	O
the	O
software	O
must	O
do	O
and	O
becomes	O
part	O
of	O
the	O
contractual	O
agreement	O
.	O
</s>
<s>
A	O
customer	O
cannot	O
demand	O
features	O
not	O
in	O
the	O
URD	B-General_Concept
,	O
while	O
the	O
developer	O
cannot	O
claim	O
the	O
product	O
is	O
ready	O
if	O
it	O
does	O
not	O
meet	O
an	O
item	O
of	O
the	O
URD	B-General_Concept
.	O
</s>
<s>
The	O
URD	B-General_Concept
can	O
be	O
used	O
as	O
a	O
guide	O
for	O
planning	O
cost	O
,	O
timetables	O
,	O
milestones	O
,	O
testing	O
,	O
etc	O
.	O
</s>
<s>
The	O
explicit	O
nature	O
of	O
the	O
URD	B-General_Concept
allows	O
customers	O
to	O
show	O
it	O
to	O
various	O
stakeholders	O
to	O
make	O
sure	O
all	O
necessary	O
features	O
are	O
described	O
.	O
</s>
<s>
Formulating	O
a	O
URD	B-General_Concept
requires	O
negotiation	O
to	O
determine	O
what	O
is	O
technically	O
and	O
economically	O
feasible	O
.	O
</s>
<s>
Preparing	O
a	O
URD	B-General_Concept
is	O
one	O
of	O
those	O
skills	O
that	O
lies	O
between	O
a	O
science	O
and	O
an	O
art	O
,	O
requiring	O
both	O
software	O
technical	O
skills	O
and	O
interpersonal	O
skills	O
.	O
</s>
<s>
User	B-General_Concept
Requirement	I-General_Concept
Specifications	O
(	O
URS	O
)	O
are	O
important	O
in	O
the	O
pharmaceutical	O
industry	O
for	O
regulatory	O
and	O
business	O
purposes	O
URS	O
support	O
regulatory	O
and	O
business	O
considerations	O
for	O
processes	O
,	O
equipment	O
,	O
and	O
systems	O
.	O
</s>
