MFT-CD 13 has to be calendar year with Reference Number 628.
Valid Tax Periods
Internal Revenue Manual Part 3. Submission Processing · 2026-10-03 edition · updated 2026-10-04 · United States
MFT-CD
BMFTX/PRD
END TX/PD
EARLIEST DATE ALLOWED
MM-LIMITS
01
196203
YYYY12
TAX-PRD minus 2 months
3, 6, 9, 12
02
196112
YYYY12
TAX-PRD minus 11 months
1-12
03
196203
YYYY12
TAX-PRD minus 2 months
3, 6, 9, 12
04
196203
199412
TAX-PRD minus 2 months
3, 6, 9, 12
05/06
196112
YYYY12
TAX-PRD minus 11 months
1-12
07
198712
YYYY12
TAX-PRD minus 11 months
12
08
200412
YYYY12
TAX-PRD minus 11 months
1-12
09
196203
197512
TAX-PRD minus 2 months
3, 6, 9, 12
09
197612
YYYY12
TAX-PRD minus 11 months
12
10/11
196112
YYYY12
TAX-PRD minus 11 months
12
12
198512
YYYY12
TAX-PRD minus 11 months
12
13 #
198012
YYYY12
TAX-PRD minus 11 months
12
14
200612
YYYY12
TAX-PRD minus 11 months
12
15
199012
YYYY12
TAX-PRD minus 11 months
12
16
199412
YYYY12
TAX-PRD minus 11 months
12
17
200512
YYYY12
TAX-PRD minus 11 months
1-12
33
196112
200611
TAX-PRD minus 11 months
1-12
34
196112
YYYY12
TAX-PRD minus 11 months
1-12
35, 65
201412
YYYY12
TAX-PRD minus 11 months
1-12
36
197012
YYYY12
TAX-PRD minus 11 months
1-12
37
197001
198712
TAX-PRD minus 11 months
1-12
37
198812
YYYY12
TAX-PRD minus 11 months
12
40
200401
YYYY12
TAX-PRD minus 11 months
1-12
43
201512
YYYY12
TAX-PRD minus 11 months
12
44
197001
YYYY12
TAX-PRD minus 11 months
1-12
46
198412
YYYY12
TAX-PRD minus 11 months
1-12
47
200007
YYYY12
TAX-PRD minus 11 months
1-12
49
200007
YYYY12
TAX-PRD minus 11 months
1-12
50
197001
YYYY12
TAX-PRD minus 11 months
1-12
51
196112
197012
TAX-PRD minus 11 months
12
51
197103
198112
TAX-PRD minus 2 months
3, 6, 9, 12
51
198212
YYYY12
TAX-PRD minus 11 months
12
52
000000
000000
12/01/1961
58
197007
198009
TAX-PRD
1-12
60 *
195607
YYYY12
TAX-PRD
1-12
61 *
196206
198706
TAX-PRD
1-12
62 *
196206
198006
TAX-PRD
1-12
63 *
196206
YYYY12
TAX-PRD
1-12
64 *
196206
YYYY12
TAX-PRD minus 1 month
1-12
65
201412
YYYY12
TAX-PRD minus 11 months
1-12
67
197012
YYYY12
TAX-PRD minus 11 months
1-12
74
198412
YYYY12
TAX-PRD minus 11 months
1-12
75
1974
YYYY12
TAX-PRD minus 11 months
1-12
76
198412
YYYY12
TAX-PRD minus 11 months
1-12
77/78
198612
YYYY12
TAX-PRD minus 11 months
12
79
201409
YYYY12
TAX-PRD minus 11 months
1-12
82
201712
YYYY12
TAX-PRD minus 11 months
1-12
83
201712
YYYY12
TAX-PRD minus 11 months
1-12
85/86
198412
YYYY12
TAX-PRD minus 11 months
1-12
The following "bullets" are footnotes to various items contained in the above-referenced table:
- Bypass generating EARLIEST-DATE-ALLOWED on correction passes.
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