4.19.2.7.53
(09-01-2005)
Process
Code
99
(Innocent
Spouse
Suspense)
Tax
examiners
assign
this
process
code
when
the
case
needs
to
be
suspensed
pending
instructions
from
the
centralized
Innocent
Spouse
Operation.
The
system
automatically
moves
cases
with
PC
99
into
Innocent
Spouse
Suspense
Batch
Type
89002
when
the
tax
examiner
commits
the
PC.
4.19.2.8
(09-01-2003)
Internal
Process
Code
Definitions
Internal
Process
Codes
(IPC)
consist
of
a
numeric
character
and
an
alpha
character.
The
numeric
characters
define
the
phase
of
program
as
follows:
0
designates
the
case
analysis
or
screening
phase
3
designates
the
CP
2501
portion
of
the
response
phase
6
designates
the
CP
2000
portion
of
the
response
phase
8
designates
the
Statutory
Notice
phase
The
alpha
codes
define
a
specific
action
or
suspense
activity.
These
codes
are
used
within
the
AUR
system
for
tracking
cases
and
are
not
uploaded
to
IDRS.
4.19.2.8.1
(09-01-2003)
Internal
Process
Code
0A
(Research
Requests)
This
IPC
is
assigned
by
the
tax
examiner
when
additional
research
is
requested
during
the
screening
phase.
The
system
automatically
assigns
the
case
to
Research
Suspense
Batch
Type
34.
4.19.2.8.2
(09-01-2003)
Internal
Process
Code
0D
(Miscellaneous
Referrals)
This
IPC
is
assigned
by
the
tax
examiners
when
screening
cases
require
technical
assistance
to
continue
processing
the
case.
After
the
screening
batch
status
has
been
updated
to
RB,
build
all
cases
with
IPC
0D
into
Miscellaneous
Referral
Batch
Type
35
.
4.19.2.8.3
(09-01-2003)
Internal
Process
Code
0E
(Technical/Manager
Referral)
Screening
cases
identified
by
tax
examiners
as
requiring
a
technical
determination
by
the
manager
or
work
leader
are
assigned
IPC
0E.
When
the
TRANSFER
menu
option
is
selected,
the
system
automatically
updates
the
case(s)
to
IPC
0E
and
moves
the
case(s)
to
Screening
Unit
Suspense
Batch
Type
36.
This
IPC
is
not
part
of
the
verification
process.
4.19.2.8.4
(09-01-2003)
Internal
Process
Code
0P
(TA/Area
Office/Congressional
Cases/Referrals)
These
are
screening
cases
which
require
special
handling
due
to
Area
Office/Congressional
contact
or
because
they
have
been
identified
as
Taxpayer
Advocate
cases.
When
the
IPC
0P
update
is
initiated,
the
system
automatically
moves
the
cases
to
Screening
Unit
Suspense
Batch
Type
36.
This
IPC
is
not
part
of
the
verification
process.
4.19.2.8.5
(09-01-2003)
Internal
Process
Code
0T
(Screening
Telephone
Contact)
Screening
cases
assigned
IPC
0T
require
special
handling
due
to
a
telephone
inquiry
by
the
taxpayer.
When
the
IPC
0T
update
is
initiated,
these
cases
are
automatically
moved
to
Screening
Unit
Suspense
Batch
Type
36
by
the
system.
This
IPC
is
not
part
of
the
verification
process.
4.19.2.8.6
(09-01-2003)
Internal
Process
Code
3A
(CP
2501
Research
Request)
Tax
Examiners
assign
IPC
3A
when
additional
research
is
requested
for
a
CP
2501
case.
The
system
automatically
assigns
the
case
to
CP
2501
Unit
Research
Suspense
Batch
Type
42.
This
IPC
is
not
part
of
the
verification
process.
4.19.2.8.7
(09-01-2003)
Internal
Process
Code
3D
(Miscellaneous
Referral)
Tax
examiners
assign
this
IPC
when
CP
2501
cases
require
technical
assistance
for
processing.
After
the
CP
2501
Response
Batch
status
has
been
updated
to
RB,
build
all
cases
with
an
IPC
3D
into
CP
2501
Miscellaneous
Referral
Batch
Type
43.
4.19.2.8.8
(09-01-2003)
Internal
Process
Code
3E
(Technical/Manager
Referral)
CP
2501
cases
identified
by
tax
examiners
as
requiring
a
technical
determination
by
a
manager
or
work
leader
are
assigned
IPC
3E.
When
the
TRANSFER
menu
option
is
selected,
the
system
automatically
updates
the
cases
to
IPC
3E
and
moves
the
case
to
CP
2501
Unit
Suspense
Batch
Type
45.
This
IPC
is
not
part
of
the
verification
process.
4.19.2.8.9
(09-01-2003)
Internal
Process
Code
3F
(CP
2501
Fraud
Referral)
Tax
examiners
assign
IPC
3F
to
CP
2501
cases
identified
as
meeting
potential
fraud
criteria.
These
cases
are
reviewed
by
the
Examination
Function.
The
system
automatically
moves
cases
to
Fraud
Referral
Suspense
Batch
Type
94
during
the
systemic
disassembly
process.
4.19.2.8.10
(09-01-2003)
Internal
Process
Code
3L
(CP
2501
Letter)
The
tax
examiner
has
determined
these
CP
2501
cases
require
additional
contact
with
the
taxpayer.
The
tax
examiner
generates
a
letter
to
the
taxpayer
and
inputs
IPC
3L.
The
system
automatically
moves
these
cases
to
CP
2501
Letter
Suspense
Batch
Type
47.
Note:
During
system
disassembly,
IPC
3L
is
converted
to
PC
97
to
update
the
TC
922
on
Master
File.
4.19.2.8.11
(09-01-2003)
Internal
Process
Code
3P
(CP
2501
TA/AO/Congressional
Inquiry)
These
are
CP
2501
cases
which
require
special
handling
due
to
Area
Office/Congressional
contact,
or
because
they
meet
Taxpayer
Advocate
criteria.
The
system
is
updated
with
an
IPC
3P
and
cases
are
automatically
moved
to
CP
2501
Unit
Suspense
Batch
Type
45.
This
IPC
is
not
part
of
the
verification
process.
4.19.2.8.12
(09-01-2003)
Internal
Process
Code
3S/PHCALL
(CP
2501
Special
Letter/Phone
Call)
When
the
tax
examiner
determines
that
a
CP
2501
case
requires
additional
taxpayer
contact,
he/she
can
contact
the
taxpayer
by
telephone
or
by
sending
a
letter.
Cases
that
meet
this
criteria
are
assigned
IPC
3S.
The
system
automatically
moves
the
cases
to
CP
2501
Letter
Suspense
Batch
Type
47.
Note:
During
system
disassembly,
IPC
3S
is
converted
to
PC
97
to
update
the
TC
922
on
Master
File.
These
are
CP
2501
cases
which
require
special
handling
due
to
a
telephone
inquiry
by
the
taxpayer.
As
the
system
updates
cases
with
an
IPC
3T,
the
cases
are
automatically
moved
to
CP
2501
Unit
Suspense
Batch
Type
45.
This
IPC
is
not
part
of
the
verification
process.
4.19.2.8.14
(09-01-2003)
Internal
Process
Code
6A
(CP
2000
Research
Request)
Tax
Examiners
assign
IPC
6A
when
additional
research
is
requested
for
a
case
in
the
CP
2000
phase.
The
system
automatically
assigns
the
case
to
CP
2000
Unit
Research
Suspense
Batch
Type
62.
This
IPC
is
not
part
of
the
verification
process.
4.19.2.8.15
(09-01-2003)
Internal
Process
Code
6D
(Miscellaneous
Referral)
Tax
examiners
assign
IPC
6D
when
CP
2000
cases
require
technical
assistance
for
processing.
After
the
CP
2000
response
batch
status
has
been
updated
to
RB,
build
all
cases
with
IPC
6D
into
CP
2000
Miscellaneous
Referral
Batch
Type
63.
4.19.2.8.16
(09-01-2003)
Internal
Process
Code
6E
(CP
2000
Technical/Manager
Referral)
CP
2000
cases
identified
by
tax
examiners
as
requiring
a
technical
determination
by
a
manager
or
work
leader
are
assigned
IPC
6E.
When
the
TRANSFER
menu
option
is
selected,
the
system
automatically
updates
the
case
to
IPC
6E
and
moves
the
case
to
CP
2000
Unit
Suspense
Batch
Type
65.
This
IPC
is
not
part
of
the
verification
process.
4.19.2.8.17
(09-01-2003)
Internal
Process
Code
6F
(CP
2000
Fraud
Referral)
Tax
Examiners
assign
IPC
6F
to
CP
2000
cases
identified
as
meeting
potential
fraud
criteria.
These
cases
are
reviewed
by
the
Examination
Function.
The
system
automatically
moves
cases
to
Fraud
Referral
Suspense
Batch
Type
94
during
the
systemic
disassembly
process.
4.19.2.8.18
(09-01-2003)
Internal
Process
Code
6L
(CP
2000
Letters)
The
tax
examiner
has
determined
these
CP
2000
cases
require
additional
contact
with
the
taxpayer.
The
tax
examiner
generates
a
letter
to
the
taxpayer
and
inputs
IPC
6L.
The
system
automatically
moves
these
cases
to
CP
2000
Letter
Suspense
Batch
Type
60.
Note:
During
systemic
disassembly,
IPC
6L
is
converted
to
PC
97
and
updates
TC
922
on
Master
File.
4.19.2.8.19
(09-01-2003)
Internal
Process
Code
6P
(CP
2000
TA/AO/Congressional
Inquiry)
These
are
cases
which
require
special
handling
due
to
Area
Office/Congressional
contact,
or
because
they
meet
Taxpayer
Advocate
criteria.
When
the
system
updates
with
an
IPC
6P,
the
cases
are
automatically
moved
to
CP
2000
Unit
Suspense
Batch
Type
65.
This
IPC
is
not
part
of
the
verification
process.
4.19.2.8.20
(09-01-2003)
Internal
Process
Code
6S/PHCALL
(CP
2000
Special
Letter/Phone
Call)
When
the
tax
examiner
determines
that
a
CP
2000
case
requires
additional
taxpayer
contact,
he/she
can
contact
the
taxpayer
by
telephone
or
by
sending
a
letter.
Cases
that
meet
this
criteria
are
assigned
an
IPC
6S.
The
system
automatically
moves
the
cases
to
CP
2000
Letter
Suspense
Batch
Type
60
.
Note:
During
system
disassembly,
IPC
6S
is
converted
to
PC
97
and
the
TC
922
on
Master
File
is
also
updated.
These
are
CP
2000
cases
which
require
special
handling
due
to
a
telephone
inquiry
by
the
taxpayer.
As
the
system
updates
cases
to
IPC
6T,
the
cases
are
automatically
moved
to
CP
2000
Unit
Suspense
Batch
Type
65.
This
IPC
is
not
part
of
the
verification
process.
4.19.2.8.22
(01-24-2004)
Internal
Process
Code
8A
(Statutory
Notice
Research
Request)
The
tax
examiner
assigns
IPC
8A
when
additional
research
is
requested
for
a
case
in
the
Statutory
Notice
phase.
The
system
automatically
assigns
the
case
to
Statutory
Notice
Unit
Suspense
Batch
Type
77.
This
IPC
is
not
part
of
the
verification
process.
4.19.2.8.23
(09-01-2003)
Internal
Process
Code
8D
(Miscellaneous
Referrals)
Tax
Examiners
assign
IPC
8D
to
Statutory
Notice
cases
that
require
technical
assistance
for
processing.
After
the
Statutory
Notice
response
batch
status
has
been
updated
to
RB,
build
all
cases
with
IPC
8D
into
Statutory
Notice
Miscellaneous
Referral
Batch
Type
73.
4.19.2.8.24
(09-01-2003)
Internal
Process
Code
8E
(Statutory
Notice
Technical/Managerial
Referral)
Statutory
Notice
cases
identified
by
tax
examiners
as
requiring
a
technical
determination
by
a
manager
or
work
leader
are
assigned
IPC
8E.
When
the
TRANSFER
menu
option
is
selected,
the
system
automatically
updates
the
case
to
IPC
8E
and
moves
the
case
to
Statutory
Notice
Unit
Suspense
Batch
Type
75.
This
IPC
is
not
part
of
the
verification
process.
4.19.2.8.25
(09-01-2003)
Internal
Process
Code
8F
(Statutory
Notice
Fraud
Referral)
Tax
examiners
assign
IPC
8F
to
Statutory
Notice
cases
identified
as
meeting
potential
fraud
criteria.
These
cases
are
reviewed
by
the
Examination
Function.
The
system
automatically
moves
these
cases
to
Fraud
Referral
Suspense
Batch
Type
94
during
the
systemic
disassembly
process.
4.19.2.8.26
(09-01-2003)
Internal
Process
Code
8L
(Statutory
Notice
No
Deficiency
Change)
The
tax
examiner
has
determined
these
Statutory
Notice
cases
require
additional
contact
with
the
taxpayer.
The
tax
examiner
generates
a
letter
to
the
taxpayer
and
assigns
IPC
8L.
The
system
automatically
moves
these
cases
to
Statutory
Notice
Suspense
Batch
Type
70.
Note:
During
systemic
disassembly,
IPC
8L
is
converted
to
PC
97
and
updates
the
TC
922
on
Master
File.
4.19.2.8.27
(09-01-2003)
Internal
Process
Code
8M
(Statutory
Notice
Change
to
Deficiency)
The
tax
examiner
assigns
IPC
8M
when
additional
taxpayer
contact
is
necessary
because
the
taxpayer's
Statutory
Notice
response
has
resulted
in
a
decrease
to
the
tax
on
the
original
Statutory
Notice.
The
tax
examiner
generates
the
letter
in
addition
to
assigning
IPC
8M
to
the
case.
These
cases
are
returned
to
Statutory
Notice
Suspense
Batch
Type
70.
Note:
During
systemic
batch
disassembly,
IPC
8M
is
converted
to
PC
97
and
updates
the
TC
922
on
Master
File.
If
the
tax
examiner
inputs
an
assessment,
the
system
creates
either
an
automatic
assessment
or
manual
assessment
record.
Cases
with
a
manual
assessment
are
routed
to
the
area
designated
for
IDRS
input.
4.19.2.8.28
(09-01-2003)
Internal
Process
Code
8P
(Statutory
Notice
TA/AO/Congressional
Inquiry)
These
are
cases
which
require
special
handling
due
to
Area
Office/Congressional
contact,
or
because
they
meet
Taxpayer
Advocate
criteria.
As
the
system
updates
to
IPC
8P,
the
cases
are
automatically
moved
to
Statutory
Notice
Unit
Suspense
Batch
Type
75.
This
IPC
is
not
part
of
the
verification
process.
4.19.2.8.29
(09-01-2003)
Internal
Process
Code
8S
(Stat
Phone
Call/Manual
Letter)
When
the
tax
examiner
determines
that
a
Stat
case
requires
additional
taxpayer
contact,
he/she
can
contact
the
taxpayer
by
telephone
or
by
sending
a
letter.
Cases
that
meet
this
criteria
are
assigned
IPC
8S.
The
system
automatically
moves
the
cases
to
Stat
Suspense
Batch
Type
70.
Note:
During
systemic
disassembly,
IPC
8S
is
converted
to
PC
97
and
updates
the
TC
922
on
Master
File.
These
are
Statutory
Notice
cases
which
require
special
handling
due
to
a
telephone
inquiry
by
the
taxpayer.
As
the
system
updates
cases
to
IPC
8T,
the
cases
are
automatically
moved
to
Statutory
Notice
Unit
Suspense
Batch
Type
75.
This
IPC
is
not
part
of
the
verification
process.
4.19.2.8.31
(09-01-2003)
Internal
Process
Code
LC
(Lost
Case)
If
at
any
time
during
processing
a
case
cannot
be
located,
the
SSN
may
be
assigned
to
the
Batch
Type
98
(Lost
Case)
by
assigning
an
IPC
LC.
This
IPC
can
be
input
by
clerks
and
tax
examiners,
depending
on
where
the
case
is
in
the
processing
cycle.
Note:
Local
management
will
determine
when
and
how
to
use
IPC
LC.
If
the
SSN
is
currently
assigned
to
other
than
a
suspense
batch,
update
the
case
using
IPC
RF
to
move
the
SSN
back
to
the
previous
suspense
batch
before
assigning
it
to
the
Lost
Case,
Lost
Response,
or
Unassociated
Response
Suspense
Batch
Types.
The
Lost
Case
Batch
accepts
assignment
from
any
batch
type.
If
the
clerk
attempts
to
update
or
assign
a
case
that
is
currently
assigned
to
the
Lost
Case
Batch
Type
98
to
another
batch,
the
system
displays
a
message
indicating
the
case
is
assigned
to
the
Lost
Case
Batch.
Note:
See
IRM
4.19.2.5.63,
Batch
Type
98
for
instructions
on
how
to
resolve
IPC
LC.
SSNs
assigned
to
Lost
Case
Batch
Type
98
are
monitored
using
the
Lost
Case
Report.
This
report
can
be
used
as
a
research
tool
to
locate
the
case.
See
Exhibit
4.19.2-23
for
an
example
of
the
Lost
Case
Report.
See
IRM
4.19.2.9.13
for
additional
information
about
the
report.
This
IPC
is
not
part
of
the
verification
process.
4.19.2.8.32
(09-01-2003)
Internal
Process
Code
LR
(Lost
Response)
If
a
response
is
not
located
with
the
case
file
after
the
case
has
been
assigned
to
a
response
batch,
the
tax
examiner
should
attempt
to
contact
the
taxpayer
to
resolve
the
issue.
If
taxpayer
contact
cannot
be
made,
the
tax
examiner
will
assign
IPC
LR.
Retrieve
cases
from
each
unit.
Sort
the
cases
in
SSN
order.
Place
the
case(s)
in
the
Lost
Response
Suspense
file.
This
IPC
can
be
input
by
clerks
or
tax
examiners,
depending
on
where
the
case
is
in
the
processing
cycle.
Note:
Local
management
will
make
the
determination
when
and
how
to
use
IPC
LR.
When
associating
responses
and
a
response
cannot
be
located
after
pulling
the
case,
check
carefully
through
other
responses
in
the
batch
to
find
the
missing
one.
If
the
response
cannot
be
located,
follow
Campus
directions
or
assign
IPC
LR.
Input
IPC
RF
(Refile)
to
move
the
SSN/case
back
to
the
previous
suspense
batch
before
the
IPC
LR
is
input.
File
the
case(s)
in
Batch
Type
97
(Lost
Response)
in
SSN
order.
When
building
Aged
CP
2000
Stat
Prep
Batch
Type
59
or
Statutory
Notice
Default
Batch
Type
79
and
the
system
indicates
new
correspondence
has
been
received
for
a
case
or
when
the
PCs
are
being
verified,
follow
Campus
directions
or
input
IPC
LR.
Input
IPC
RF
to
move
the
SSN/case
back
to
the
previous
suspense
batch
before
the
IPC
LR
is
input.
File
the
case(s)
in
Lost
Response
Batch
Type
97
in
SSN
order.
See
IRM
4.19.2.2.23
for
additional
information
on
refiling
cases.
The
system
automatically
moves
the
case
to
Lost
Response
Batch
Type
97.
The
batch
will
accept
cases
from
any
batch
type.
If
the
clerk
attempts
to
assign
a
response
to
another
batch
when
it
is
currently
assigned
to
the
Lost
Response
Batch,
the
system
displays
a
message
indicating
the
case
is
assigned
to
the
Lost
Response
Batch.
The
clerk
is
required
to
associate
the
response
with
the
case.
Note:
See
IRM
4.19.2.5.62,
Batch
Type
97,
for
instructions
on
how
to
resolve
IPC
LR.
Cases
assigned
to
the
Lost
Response
Batch
Type
97
are
monitored
using
the
Lost
Response
Report.
This
report
can
be
used
as
a
research
tool
to
locate
the
response.
See
Exhibit
4.19.2-24
for
an
example
of
the
Lost
Response
Report.
See
IRM
4.19.2.9.14
for
additional
information
about
the
report.
This
IPC
is
not
part
of
the
verification
process.
4.19.2.8.33
(09-01-2003)
Internal
Process
Code
MC
(Manual
Case)
Tax
examining
unit
managers
assign
IPC
MC
when
cases
are
identified
as
requiring
manual
processing.
To
do
this,
the
cases
must
be
closed
on
the
AUR
System.
The
technical
manager
reviews
these
cases
when
the
tax
examiner
determines
the
case
must
be
worked
manually.
Before
disassembly
of
the
batch,
verify
these
cases
have
received
managerial
review
following
Campus
directions.
After
disassembly
of
the
batch,
route
the
case(s)
to
the
unit
designated
to
process
this
type
of
case.
Local
management
will
identify
the
unit
using
local
criteria.
4.19.2.8.34
(09-01-2003)
Internal
Process
Code
MI
(Manual
Interest)
Cases
systemically
identified
as
needing
a
manual
interest
calculation
are
assigned
IPC
MI.
If
the
system
identifies
a
manual
interest
case,
it
will
not
allow
the
tax
examiner
to
enter
a
PC
55,
57,
59,
or
95
to
generate
a
CP
2000
or
a
Recomputed
CP
2000.
The
case
folder
will
be
coded
with
an
IPC
MI
by
the
tax
examiner.
After
the
batch
status
has
been
updated
to
RB,
batch
these
cases
to
Manual
Interest
Batch
Type
61.
4.19.2.8.35
(09-01-2004)
Internal
Process
Code
RF
(Refile
Case)
These
are
cases
that
were
previously
in
an
AUR
suspense
batch
(except
for
Lost
Case,
Lost
Response,
Unassociated
Response
and
all
Unit
Suspense
Batch
Types).
During
review
of
the
cases,
the
tax
examiner
has
decided
the
cases
should
be
returned
to
the
prior
AUR
suspense
batch.
The
cases
are
moved
back
to
the
prior
AUR
suspense
batch
during
system
disassembly.
After
the
batch
status
has
been
updated
to
RB,
return
the
case
to
the
appropriate
AUR
suspense
batch
using
the
CSN
on
the
folder.
Caution:
The
terms
refile,
refiling
and
IPC
"RF"
refer
to
AUR
suspense
files.
DO
NOT
SEND
THESE
CASES
TO
the
CAMPUS
FILES
FUNCTION
(DOCUMENT
RETENTION).
4.19.2.8.36
(09-01-2003)
Internal
Process
Code
RN
(Recomputed
Notice)
Tax
examiners
assign
IPC
RN
when
it
has
been
determined
that
a
CP
2000
Recomputed
Notice
is
necessary
and
the
case
can
be
closed
as
Partially
Agreed.
Build
cases
assigned
an
IPC
RN
into
Partial
Agreed
Batch
Type
67.
See
IRM
4.19.2.5.40
for
additional
information
on
Batch
Type
67.
4.19.2.8.37
(09-01-2003)
Internal
Process
Code
SR
(Statutory
Recomputed
Notice)
Tax
examiners
assign
IPC
SR
when
it
has
been
determined
that
a
Statutory
Notice
case
requires
both
a
Recomputed
Notice
and
closure
as
Partially
Agreed.
Build
cases
with
IPC
SR
to
Partial
Agreed
Statutory
Notice
Batch
Type
87.
See
IRM
4.19.2.5.54
for
information
about
Batch
Type
87.
4.19.2.8.38
(09-01-2003)
Internal
Process
Code
UR
(Unassociated
Responses)
If
the
case
cannot
be
located
to
associate
with
the
response,
either
follow
Campus
directions
or