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Determining
Return Need

4.1.3
Source of Returns—DIF and Ordering
4.1.3.1
(05-19-1999)
Overview
-
This chapter discusses sources of
returns.
- DIF
(Descriminant Function) is a
mathematical technique used to score
income tax returns as to examination
potential. These formulas were
developed based on available TCMP
data. Each return measured under DIF
receives a DIF score. Generally, the
higher the score, the greater the
audit potential. The highest scored
returns are made available to
Examination upon request.
- DIF
mathematical formulas are
confidential and for official use
only. The DIF score assigned to a
return should not be disclosed.
4.1.3.1.1 (05-19-1999)
Types of DIF Returns
-
The
following types of returns are
computer scored under the DIF
System:
-
Individual Returns
-
Corporation Returns
-
S Corporation Returns
-
Partnership Returns
4.1.3.1.2 (05-19-1999)
Individual Returns
-
All
individual returns are computer
scored under the DIF System. DIF
returns are generally ordered in
bulk, but some returns are
delivered to Examination as
Automatics for manual screening
without a return order being
placed. These returns are
identified as Automatics by the
use of Audit Codes. Audit Codes
can be found on Form 5546,
Examination Return Charge-Out.
These Audit Codes are listed in
Exhibit 4.1.3–1.
-
Correspondence (CORR) returns
are certain individual low and
medium non-business returns that
are conducive to correspondence
examinations. Returns identified
as "CORR" will not be ordered by
area offices without prior
written approval from the PSP
Territory Manager.
4.1.3.1.3 (05-19-1999)
Corporation Returns
-
Corporation returns having no
balance sheet or assets under
$10,000,000 are computer scored
under the DIF System. Formula
numbers are used to identify the
asset classes when ordering
corporate returns on Form 6897.
High asset returns, activity
codes 219 through 225, are not
DIF scored and are delivered
automatically to Classification
at the Service/Customer Service
Center. The Corporation DIF
System includes:
-
Miscellaneous corporate returns
are also not DIF scored. These
returns may be sample ordered.
These returns could be
classified by screening them in
the Statistics of Income (SOI)
Division located at the
Service/Customer Service Center
before shipment to SOI at the
Ogden Service Center.
Miscellaneous corporate returns
include:
-
Certain corporation returns are
identified as
Specials. These
returns are delivered to
Examination for screening
without a return order and are
identified by Audit Codes. These
Audit Codes are listed in
Exhibit 4.1.3–2.
4.1.3.1.4 (05-19-1999)
S Corporation Returns
-
S
Corporation Returns having
assets under $10,000,000 are
computer scored under the DIF
System. The S Corporation System
includes:
-
Certain S corporation returns
are identified as
Specials.
These returns are delivered to
Examination for screening
without a return order and are
identified by Audit Codes. These
Audit Codes are listed in
Exhibit 4.1.3–3.
4.1.3.2
(05-19-1999)
Inventory and Delivery Reports
- A
list of Inventory and Delivery
Reports that are available and the
exhibits where they can be found are
as follows shown in the following
figure:
Figure 4.1.3-1
- The
top section of the Inventory and
Delivery Reports (1040–1, 1065–1,
1120–1, 1120–3) indicates the number
of returns available for ordering.
The bottom of the reports indicates
the number of returns that have been
delivered for screening by
examination class and DIF score
range for each file year. All
returns identified on these reports
have a DIF score which is above the
National DIF cutoff score. These
reports are cumulative for all
returns received, processed and
delivered to Examination during a
file year. At certain times of the
year, there will be available
Inventory and Delivery Reports for
two different file years. You should
make sure you are utilizing the
correct file year report.
4.1.3.3
(05-19-1999)
Guidelines for Ordering Returns
- The
PSP Support Manager is responsible
for submitting orders so that
returns are received ratably during
the fiscal year. Ratable is defined
as a manner of ordering so that all
returns with similar DIF scores,
regardless of the filing date, have
an equal chance of being delivered
to Classification.
-
Current file year
individual DIF returns
(Activity Codes 530 through 539)
will be ordered so that deliveries
for total individual returns, when
measured as a percent of the total
Individual Examination Return Plan,
will not exceed the following:
-
65 percent before Cycle 52.
-
85 percent before Cycle 13.
-
108 percent Cycle 26.
-
There is an
exception to the
guidelines set in (2). Any orders in
excess of these guidelines must be
approved by the PSP Territory
Manager. Your order may be increased
if any of the following conditions
are met:
-
The Area has a high
dependence on DIF work for
general program
expectations;
-
The Area has a substantial
hiring authority; or
-
The Area has low select
rates which makes it
impossible to accumulate
sufficient training returns
throughout the year while
maintaining an appropriate
tax auditor workload.
- Due
to numerous fiscal year corporate
and other BMF filings, high
potential BMF
returns are added to
inventory throughout the entire file
year. To ensure equal treatment of
BMF taxpayers, BMF returns must be
ordered in a ratable manner.
-
Each Service/Customer Service Center
will provide a schedule for ordering
and classifying to the PSP Support
Manager.
- All
return orders will be submitted to
the Service/Customer Service Center,
ATTN: Chief, Classification Section
in accordance with local procedures.
4.1.3.3.1 (05-19-1999)
Ordering Individual DIF
Returns
-
Form 6356, Individual DIF
Returns Order,
will be used to order individual
DIF returns. Instructions for
completing Form 6356 are found
on the back of the form. Returns
may be ordered from any cycle
for orders from regular DIF
inventory and only from odd
cycles for orders from DIF CORR
inventory.
-
Areas are expected to order
returns for the entire area.
However, you have the capability
for ordering or excluding
returns for a specific
post-of-duty. You should keep
these orders to a minimum since
it deviates from working the
highest DIF returns first. These
types of orders are:
-
POD Exclusion Order—Where
there is an excess
workload at one or more
posts-of-duty, the
POD(s) may be excluded
from any order cycle. A
maximum of 17 PODs my be
excluded each cycle. You
should be aware that if
you place an area-wide
order subsequent to a
POD exclusion order,
returns previously
excluded may fall out.
-
POD Supplement Order—Where
there is a workload
shortage at a specific
POD, a supplemental
order may be submitted.
-
Inventory and Delivery Report
1040–1
(Exhibit 4.1.3–4) shows the
number of DIF returns available
for ordering and the number of
returns delivered for screening
by examination class and DIF
score range for each file year.
This report also provides the
number of Minimum Tax and
Alternative Minimum Tax returns
(combined under TXPREFRET). This
is a cumulative report which is
generated every even cycle for
each file year.
-
Inventory and Delivery Analysis
Report 1040–2
(Exhibit 4.1.3–5) provides
statistical data on individual
returns processed and on returns
delivered, including specials.
This report is generated every
cycle for the first 40 cycles
and every even cycle thereafter.
-
Individual returns cannot be
ordered from the current file
year until cycle 18. For orders
prior to cycle 26,Override
Code "1" will be
entered in Column 80 of Form
6356 to override the computer
block.
-
Previous file year individual
returns cannot be ordered after
cycle 26 of the current file
year.
Override Code "9"
will be entered in Column 80 of
Form 6356 to override the
computer block. Approval is
needed from the Territory PSP
Manager to utilize this override
code.
-
Alternative Minimum Tax
returns may be ordered using
Form 6356 with Indicator Code "W"
entered on the order form.
-
Areas may use the
DIF CORR
Inventory to secure returns for
training purposes either on an
area or POD basis. Form 6356 is
used and must clearly indicate
that the order is for training
returns. Inventory and Delivery
Report 1040–6 (Exhibit 4.1.3–8)
reflects DIF CORR inventory by
score range and deliveries to
the service/customer service
center or area. Orders must be
made in odd cycles.
-
The
Amended
Returns inventory
contains Category B (paid)
claims as defined in the LEM.
Form 8199, Amended Returns
Order, is used to place orders.
Table 1040–5 (Exhibit 4.1.3–7)
is the Inventory and Delivery
Report for Amended Returns.
These claims are ordered by the
year in which the claims were
filed, not
by the tax year of the returns
for which the claim applies. The
highest dollar claims will be
delivered first. The following
categories of amended returns
may be ordered:
-
Adjustments to Income
-
Filing Status and
Exemptions
-
Tax Computations
-
Credits
-
Itemized Deductions
-
Schedule C or F
-
Schedule D and Form 4797
-
Schedule E
-
Other Taxes
-
Multiples—any
combination of the above
categories.
-
Other—reasons not
covered in above
categories.
4.1.3.3.2 (05-19-1999)
Ordering Corporation Returns
-
Form 6897, Corporation Returns
Order,
will be used to order
corporation returns. This form
is separated into two sections,
Corporation DIF Returns Order
and Miscellaneous Corporation
Returns Order. Instructions for
completing Form 6897 are found
on the back of the form. Returns
may be ordered from odd numbered
cycles only.
-
Areas are expected to order
returns for the entire area.
However, you have the capability
for ordering or excluding
returns for a specific
post-of-duty. You should keep
these orders to a minimum since
it deviates from working the
highest DIF returns first. These
types of orders are:
-
POD Exclusion Order—Where
there is an excess
workload at one or more
posts-of-duty, the
POD(s) may be excluded
from any order cycle. A
maximum of 7 PODs may be
excluded each cycle.
-
POD Supplemental Order—Where
there is a workload
shortage at a specific
POD, a supplemental
order may be submitted.
-
Corporate DIF Inventory and
Delivery Report 1120–1
(Exhibit 4.1.3–9) shows the
number of DIF returns available
to order for screening and the
number of DIF returns which have
been delivered by DIF score
range.
-
Corporate DIF Inventory and
Delivery Analysis Report 1120–2
(Exhibit 4.1.3–10) provides data
on corporations processed and on
returns in inventory or
delivered, including specials
and automatics. BMF returns will
not be ordered from the current
file year inventory until after
processing cycle 26 of the
current file year.
-
1120S DIF and 1120F Inventory
and Delivery Report 1120–3
(Exhibit 4.1.3–11) provides data
on corporate returns processed
and on returns in inventory or
delivered, including specials
and automatics.
-
Indicator Codes
are entered on Form 6897 to
designate the type of returns
ordered as shown in the
following figure:
Figure 4.1.3-2
-
Orders of
miscellaneous returns
in the
taxable income category
are filled from the top of the
"file" (highest income to zero.)
-
Orders of
miscellaneous returns
in the non
taxable income category
are filled from the top of the
"file" (greatest loss to zero.)
-
Only one indicator code may be
used for returns in each
examination class in the same
cycle. However, different
indicator codes may be used for
different examination classes in
the same cycle.
4.1.3.3.3 (05-19-1999)
Ordering Partnership
-
Form 6162, Partnership Returns
Order,
will be used to order DIF
partnership returns.
Instructions for completing Form
6162 are found on the back of
the form. Returns may be ordered
monthly.
-
POD
orders are not available.
-
The
Inventory
and Delivery Report 1065–1
(Exhibit 4.1.3–12) shows the
number of Partnership returns
available for ordering and the
number of Partnership returns
delivered for classification, by
DIF score range, Examination
Class and file year.
-
The
Inventory
and Delivery Report 1065–2
(Exhibit 4.1.3–13) provides
analytical data on Partnership
returns processed, inventoried
and delivered for
classification, including
Automatics and Specials.
-
Indicator Codes
are entered on Form 6162 to
designate the type of returns
ordered as follows:
-
Section 761(a) Partnership
Returns,
Investment groups that are not
required to file partnership
returns, selected for
examination by the
Service/Customer Service Center
will be forwarded to their
respective areas.
4.1.3.3.4 (05-19-1999)
Ordering Fiduciary Returns
-
Form 5337, Fiduciary Returns
Order,
will be used to order fiduciary
returns. Instructions for
completing Form 5337 are found
on the back of the form. Returns
may be ordered monthly.
-
POD
orders are not available.
-
The
Inventory
and Delivery Report 1041
(Exhibit 4.1.3–14) shows the
number of Fiduciary returns
available for ordering and the
number of Fiduciary returns
delivered for classification
during the file year. This
report provides the following
information:
-
Table 1—Nonautomatic
Fiduciary Returns. The
total number of
Fiduciary returns
available, the total
number of returns
delivered for the
current cycle and
delivered (cumulative)
during the file year.
-
Table 2—Automatic
Fiduciary Returns. The
total number of
Fiduciary returns
delivered for the
current cycle and
delivered (cumulative)
during the file year.
-
Indicator Codes
are entered on Form 5337 to
designate the type of returns
ordered as follows:
4.1.3.3.5 (05-19-1999)
REMIC
-
U.S. Real Estate Mortgage
Investment Conduit (REMIC)
REMIC returns can be ordered
using Form 8757, U.S. Real
Estate Mortgage Investment
Conduit Income Tax. Returns may
be ordered monthly.
-
The
Inventory
and Delivery Report 1066–1
(Exhibit 4.1.3–15) shows the
number of REMIC returns
available for ordering and the
number of REMIC returns
delivered for classification by
Examination Class for the file
year.
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