PAGE  1
000 A000000 04/30/2006
000 C000000 0001160990
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 A
001 A000000 PIMCO CORPORATE INCOME FUND
001 B000000 811-10555
001 C000000 2127393371
002 A000000 1345 AVENUE OF THE AMERICAS
002 B000000 NEW YORK
002 C000000 NY
002 D010000 10105
003  000000 N
004  000000 N
005  000000 N
006  000000 N
007 A000000 N
007 B000000  0
007 C010100  1
007 C010200  2
007 C010300  3
007 C010400  4
007 C010500  5
007 C010600  6
007 C010700  7
007 C010800  8
007 C010900  9
007 C011000 10
008 A000001 ALLIANZ GLOBAL INVESTORS FUND MANAGEMENT LLC
008 B000001 A
008 C000001 801-31227
008 D010001 NEW YORK
008 D020001 NY
008 D030001 10105
008 A000002 PACIFIC INVESTMENT MANAGEMENT COMPANY LLC
008 B000002 S
008 C000002 801-48187
008 D010002 NEWPORT BEACH
008 D020002 CA
008 D030002 92660
010 A000001 ALLIANZ GLOBAL INVESTORS FUND MANAGMENT LLC
010 B000001 801-31227
010 C010001 NEW YORK
010 C020001 NY
010 C030001 10105
011 A000001 SALOMON SMITH BARNEY INC.
011 B000001 8-00541
      PAGE  2
011 C010001 NEW YORK
011 C020001 NY
011 C030001 10013
011 A000002 AG EDWARDS & SONS INC.
011 B000002 8-03548
011 C010002 ST. LOUIS
011 C020002 MO
011 C030002 63103
011 A000003 FIRST UNION SECURITIES
011 B000003 8-37180
011 C010003 CHARLOTTE
011 C020003 NC
011 C030003 28288
011 A000004 PRUDENTIAL SECURITIES INC.
011 B000004 8-04060
011 C010004 NEW YORK
011 C020004 NY
011 C030004 04060
011 A000005 UBS WARBURG LLC
011 B000005 8-22651
011 C010005 STAMFORD
011 C020005 CT
011 C030005 06901
012 A000001 PFPC INC.
012 B000001 84-58023
012 C010001 PROVIDENCE
012 C020001 RI
012 C030001 02940
013 A000001 PRICEWATERHOUSECOOPERS LLP
013 B010001 NEW YORK
013 B020001 NY
013 B030001 10036
014 A000001 DRESDNER BANK AG
014 B000001 8-12859
014 A000002 DRESDNER KLEINWORT WASSERSTEIN SECURITIES LLC
014 B000002 8-49647
014 A000003 DRESDNER KLEINWORT BENSON
014 B000003 8-00000
014 A000004 GRANTCHESTER SECURITIES
014 B000004 8-00000
015 A000001 STATE STREET CORP.
015 B000001 C
015 C010001 KANSAS CITY
015 C020001 MO
015 C030001 64105
015 E010001 X
018  000000 Y
019 A000000 Y
019 B000000   65
019 C000000 ALLIANZGLO
020 A000001 THE GOLDMAN SACHS GROUP, INC.
      PAGE  3
020 B000001 13-4019460
020 C000001     82
020 A000002 DEUTSCHE BANK AG
020 B000002 13-2944980
020 C000002     14
020 A000003 LEHMAN BROTHERS HOLDINGS, INC.
020 B000003 13-3216325
020 C000003      3
020 C000004      0
020 C000005      0
020 C000006      0
020 C000007      0
020 C000008      0
020 C000009      0
020 C000010      0
021  000000       99
022 A000001 LEHMAN BROTHERS HOLDINGS, INC.
022 B000001 13-3216325
022 C000001    795693
022 D000001     95710
022 A000002 BANK OF AMERICA CORP.
022 B000002 56-0906609
022 C000002    457857
022 D000002     29134
022 A000003 STATE STREET CORP.
022 B000003 04-2456637
022 C000003    275197
022 D000003         0
022 A000004 CREDIT SUISSE GROUP
022 B000004 13-5659485
022 C000004    193578
022 D000004     12108
022 A000005 THE GOLDMAN SACHS GROUP, INC.
022 B000005 13-4019460
022 C000005     94758
022 D000005     45282
022 A000006 MERRILL LYNCH & CO., INC.
022 B000006 13-2740599
022 C000006     45062
022 D000006     18058
022 A000007 MORGAN STANLEY
022 B000007 36-3145972
022 C000007     21055
022 D000007     30266
022 A000008 JP MORGAN CHASE & CO.
022 B000008 13-2624428
022 C000008     40302
022 D000008     10114
022 A000009 UBS AG
022 B000009 13-3203169
022 C000009     39481
      PAGE  4
022 D000009      9107
022 A000010 BARCLAYS PLC
022 B000010 06-1031656
022 C000010      7535
022 D000010     15800
023 C000000    2051072
023 D000000     297691
024  000000 Y
025 A000001 MERRILL LYNCH & CO., INC.
025 B000001 13-2740599
025 C000001 D
025 D000001    5079
025 A000002 JP MORGAN CHASE & CO.
025 B000002 1326244285
025 C000002 D
025 D000002    3573
025 A000003 STATE STREET CORP.
025 B000003 04-2456637
025 C000003 D
025 D000003    1551
025 A000004 MORGAN STANLEY
025 B000004 3631459728
025 C000004 D
025 D000004     649
025 A000005 DELETE
025 D000005       0
025 A000006 DELETE
025 D000006       0
025 D000007       0
025 D000008       0
026 A000000 N
026 B000000 N
026 C000000 N
026 D000000 Y
026 E000000 N
026 F000000 N
026 G010000 N
026 G020000 N
026 H000000 N
027  000000 N
028 A010000         0
028 A020000         0
028 A030000         0
028 A040000         0
028 B010000         0
028 B020000         0
028 B030000         0
028 B040000         0
028 C010000         0
028 C020000         0
028 C030000         0
      PAGE  5
028 C040000         0
028 D010000         0
028 D020000         0
028 D030000         0
028 D040000         0
028 E010000         0
028 E020000         0
028 E030000         0
028 E040000         0
028 F010000         0
028 F020000         0
028 F030000         0
028 F040000         0
028 G010000         0
028 G020000         0
028 G030000         0
028 G040000         0
028 H000000         0
030 A000000      0
030 B000000  0.00
030 C000000  0.00
031 A000000      0
031 B000000      0
032  000000      0
033  000000      0
035  000000      0
036 B000000      0
038  000000      0
042 A000000   0
042 B000000   0
042 C000000   0
042 D000000   0
042 E000000   0
042 F000000   0
042 G000000   0
042 H000000   0
043  000000      0
044  000000      0
045  000000 Y
046  000000 N
047  000000 Y
048  000000  0.750
048 A010000        0
048 A020000 0.000
048 B010000        0
048 B020000 0.000
048 C010000        0
048 C020000 0.000
048 D010000        0
048 D020000 0.000
048 E010000        0
      PAGE  6
048 E020000 0.000
048 F010000        0
048 F020000 0.000
048 G010000        0
048 G020000 0.000
048 H010000        0
048 H020000 0.000
048 I010000        0
048 I020000 0.000
048 J010000        0
048 J020000 0.000
048 K010000        0
048 K020000 0.000
049  000000 N
050  000000 N
051  000000 N
052  000000 N
053 A000000 Y
054 A000000 Y
054 B000000 Y
054 C000000 N
054 D000000 N
054 E000000 N
054 F000000 N
054 G000000 Y
054 H000000 Y
054 I000000 N
054 J000000 Y
054 K000000 N
054 L000000 N
054 M000000 Y
054 N000000 N
054 O000000 N
055 A000000 Y
055 B000000 N
056  000000 Y
057  000000 N
058 A000000 N
059  000000 Y
060 A000000 Y
060 B000000 Y
061  000000        0
062 A000000 Y
062 B000000   6.2
062 C000000   0.0
062 D000000   1.2
062 E000000   0.0
062 F000000   0.0
062 G000000   0.0
062 H000000   0.0
062 I000000   0.5
      PAGE  7
062 J000000   0.0
062 K000000   0.0
062 L000000   5.3
062 M000000   0.2
062 N000000   2.6
062 O000000   1.5
062 P000000  75.8
062 Q000000   8.4
062 R000000   0.6
063 A000000   0
063 B000000  6.2
064 A000000 N
064 B000000 Y
065  000000 N
066 A000000 N
067  000000 N
068 A000000 N
068 B000000 N
069  000000 N
070 A010000 Y
070 A020000 Y
070 B010000 N
070 B020000 N
070 C010000 Y
070 C020000 Y
070 D010000 N
070 D020000 N
070 E010000 Y
070 E020000 Y
070 F010000 Y
070 F020000 N
070 G010000 Y
070 G020000 Y
070 H010000 Y
070 H020000 N
070 I010000 N
070 I020000 N
070 J010000 Y
070 J020000 Y
070 K010000 Y
070 K020000 N
070 L010000 Y
070 L020000 Y
070 M010000 Y
070 M020000 Y
070 N010000 Y
070 N020000 N
070 O010000 Y
070 O020000 Y
070 P010000 Y
070 P020000 N
      PAGE  8
070 Q010000 N
070 Q020000 N
070 R010000 Y
070 R020000 N
071 A000000    198269
071 B000000    182181
071 C000000    779630
071 D000000   23
072 A000000  6
072 B000000    27928
072 C000000      134
072 D000000        0
072 E000000      536
072 F000000     3073
072 G000000        0
072 H000000        0
072 I000000       17
072 J000000      113
072 K000000        0
072 L000000       71
072 M000000       25
072 N000000        0
072 O000000        0
072 P000000      104
072 Q000000        0
072 R000000       42
072 S000000       14
072 T000000        0
072 U000000        0
072 V000000        0
072 W000000      424
072 X000000     3883
072 Y000000      832
072 Z000000    25547
072AA000000     6198
072BB000000        0
072CC010000        0
072CC020000     8275
072DD010000    31652
072DD020000        0
072EE000000        0
073 A010000   0.8782
073 A020000   0.0000
073 B000000   0.0000
073 C000000   0.0000
074 A000000      131
074 B000000     9551
074 C000000    98513
074 D000000   724787
074 E000000     3494
074 F000000      117
      PAGE  9
074 G000000        0
074 H000000       91
074 I000000        0
074 J000000     1893
074 K000000        0
074 L000000    19859
074 M000000    14466
074 N000000   872902
074 O000000      746
074 P000000      371
074 Q000000        0
074 R010000    25006
074 R020000        0
074 R030000      365
074 R040000    26427
074 S000000   300000
074 T000000   519987
074 U010000    36111
074 U020000        0
074 V010000    14.40
074 V020000     0.00
074 W000000   0.0000
074 X000000       95
074 Y000000    50860
075 A000000        0
075 B000000   826240
076  000000    15.43
077 A000000 Y
077 C000000 Y
080 C000000        0
081 B000000   0
082 B000000        0
083 B000000        0
084 B000000        0
086 A010000      0
086 A020000      0
086 B010000      0
086 B020000      0
086 C010000      0
086 C020000      0
086 D010000      0
086 D020000      0
086 E010000      0
086 E020000      0
086 F010000      0
086 F020000      0
087 A010000 COMMOM
087 A020000 72200U100
087 A030000 PCN
087 B010000 PREFERRED M
087 B020000 72200U209
      PAGE  10
087 C010000 PREFERRED T
087 C020000 72200U308
088 A000000 N
088 B000000 N
088 C000000 N
088 D000000 N
SIGNATURE   LAWRENCE G. ALTADONNA
TITLE       TREASURER