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Format library

Every bank statement format says the same things. Only the spelling changes.

An account, the balance it opened on, every movement the bank booked against it, and the balance it closed on. MT940 writes that in tags, CAMT.053 in XML elements, BAI2 in numbered records, CSB43 in eighty fixed characters. Below is one account’s day in each of them.

One account, one day

EUR

ES21 0049 0001 5323 4567 8901

Closing balance

EUR 2,990,901.67

What the bank printed at the close of Aug 14, 2026

Opening balance Aug 13, 2026
EUR 2,864,112.47
Customer collection Value Aug 15, 2026
EUR +182,046.55
Direct debit Value Aug 14, 2026
EUR -42,318.90
Account charges Value Aug 14, 2026
EUR -12,938.45

Booked movementEUR +126,789.20

Anatomy

What is in a bank statement file?

Every format on this page carries the same facts. What differs is where each one sits, and what it is called when you get there.

A bank statement file is one account over one period: the balance it opened on, every movement the bank booked against it in order, and the balance it closed on. Each movement carries an amount, a direction, the day it was booked, the day the money is actually yours, whatever reference the payer attached, and a line of free text the bank writes about it.

Where each fact sits

Which account it is
MT940:25:CAMT.053<Acct><Id><IBAN>BAI203 · 2CSB4311 · 3-20
The balance it opened on
MT940:60F:CAMT.053<Bal><Tp><CdOrPrtry><Cd>OPBDBAI203 · 010CSB4311 · 34-47
One movement, and which way it went
MT940:61: · 3 · 5CAMT.053<Ntry><Amt> · <CdtDbtInd>BAI216 · 2 · 3CSB4322 · 28 · 29-42
The day it was booked, and the day the money is yours
MT940:61: · 1 · 2CAMT.053<ValDt> · <BookgDt>BAI202 · 5CSB4322 · 11-16 · 17-22
What the bank wrote about it
MT940:86:CAMT.053<RmtInf> · <AddtlNtryInf>BAI216 · 7CSB4323
The reference that ties it to a payment
MT940:61: · 8 · :86:/EREF/CAMT.053<EndToEndId> · <AcctSvcrRef>BAI216 · 5 · 6CSB4322 · 53-64 · 65-80
The balance it closed on
MT940:62F:CAMT.053<Bal><Tp><CdOrPrtry><Cd>CLBDBAI203 · 015CSB4333 · 60-73

Each of these formats prints the closing balance and, separately, the movements that produce it. Read both and the file proves its own arithmetic: opening plus credits minus debits has to be the figure the bank printed. A file where it is not is a file to ask the bank about, rather than a file to load.

MT940 and CAMT.053

What is the difference between MT940 and CAMT.053?

One field. MT940 puts the payer, the invoice and the end-to-end reference into :86:, a free-text field the standard says nothing about. CAMT.053 gives each of them an element with a name. Here is the same account, on the same day, in both.

MT940One line per movement, and one line of free text under it
:20:STMT26081400161
:25:ES2100490001532345678901
:28C:00161/00001
:60F:C260813EUR2864112,47
:61:2608150814C182046,55NTRFNONREF//BK26081401
:86:/ORDP/NORTE TESORERIA SL/REMI/FRA 4471/EREF/4471QX
:61:2608140814D42318,90NDDTMD-88214//BK26081402
:86:/BENM/NORTE SUMINISTROS SL/REMI/SUMINISTRO JULIO
:61:2608140814D12938,45NCHGNONREF//BK26081403
:86:/REMI/COMISION MANTENIMIENTO 3T
:62F:C260814EUR2990901,67
CAMT.053Three times the file, and every extra line is a field that used to be a guess
<Stmt>
  <Id>26081400161</Id>
  <Acct><Id><IBAN>ES2100490001532345678901</IBAN></Id><Ccy>EUR</Ccy></Acct>
  <Bal>
    <Tp><CdOrPrtry><Cd>OPBD</Cd></CdOrPrtry></Tp>
    <Amt Ccy="EUR">2864112.47</Amt><CdtDbtInd>CRDT</CdtDbtInd>
    <Dt><Dt>2026-08-13</Dt></Dt>
  </Bal>
  <Bal>
    <Tp><CdOrPrtry><Cd>CLBD</Cd></CdOrPrtry></Tp>
    <Amt Ccy="EUR">2990901.67</Amt><CdtDbtInd>CRDT</CdtDbtInd>
    <Dt><Dt>2026-08-14</Dt></Dt>
  </Bal>
  <Ntry>
    <Amt Ccy="EUR">182046.55</Amt><CdtDbtInd>CRDT</CdtDbtInd><Sts><Cd>BOOK</Cd></Sts>
    <BookgDt><Dt>2026-08-14</Dt></BookgDt><ValDt><Dt>2026-08-15</Dt></ValDt>
    <AcctSvcrRef>BK26081401</AcctSvcrRef>
    <BkTxCd><Domn><Cd>PMNT</Cd><Fmly><Cd>RCDT</Cd><SubFmlyCd>ESCT</SubFmlyCd></Fmly></Domn></BkTxCd>
    <NtryDtls><TxDtls>
      <Refs><EndToEndId>4471QX</EndToEndId></Refs>
      <RltdPties><Dbtr><Pty><Nm>NORTE TESORERIA SL</Nm></Pty></Dbtr></RltdPties>
      <RmtInf><Ustrd>FRA 4471</Ustrd></RmtInf>
    </TxDtls></NtryDtls>
  </Ntry>
  <Ntry>
    <Amt Ccy="EUR">42318.90</Amt><CdtDbtInd>DBIT</CdtDbtInd><Sts><Cd>BOOK</Cd></Sts>
    <BookgDt><Dt>2026-08-14</Dt></BookgDt><ValDt><Dt>2026-08-14</Dt></ValDt>
    <AcctSvcrRef>BK26081402</AcctSvcrRef>
    <BkTxCd><Domn><Cd>PMNT</Cd><Fmly><Cd>RDDT</Cd><SubFmlyCd>ESDD</SubFmlyCd></Fmly></Domn></BkTxCd>
    <AddtlNtryInf>NORTE SUMINISTROS SL SUMINISTRO JULIO</AddtlNtryInf>
  </Ntry>
  <Ntry>
    <Amt Ccy="EUR">12938.45</Amt><CdtDbtInd>DBIT</CdtDbtInd><Sts><Cd>BOOK</Cd></Sts>
    <BookgDt><Dt>2026-08-14</Dt></BookgDt><ValDt><Dt>2026-08-14</Dt></ValDt>
    <AcctSvcrRef>BK26081403</AcctSvcrRef>
    <BkTxCd><Prtry><Cd>NCHG</Cd><Issr>SWIFT</Issr></Prtry></BkTxCd>
    <AddtlNtryInf>COMISION MANTENIMIENTO 3T</AddtlNtryInf>
  </Ntry>
</Stmt>

What CAMT.053 gives a name to

The reference the payer set
<Refs><EndToEndId>
The bank’s own transaction code, published or proprietary
<BkTxCd><Domn> · <BkTxCd><Prtry>
Who the other side is, as a named party
<RltdPties><Dbtr><Pty><Nm>
The booking date and the value date, separately
<BookgDt> · <ValDt>

Neither is the better file to receive. MT940 is short and everything reads it; CAMT.053 is explicit and saves the reading. Both close this day on the same balance, and both land here as one movement with the same fields filled in — which is what lets a group keep one bank on each without keeping two sets of numbers.

The catalog

Which file should I ask my bank for?

It depends on the question. A bank publishes several files about the same account, and they answer different ones.

Close the day

MT940 · CAMT.053 · BAI2 · CSB43/N43

The statement a position and a reconciliation are built on. One per account per day, with every movement and both balances.

See today before it closes

MT942 · CAMT.052

The same account as the morning goes on. Entries can still be pending, so a forecast moves on these and a close does not.

Confirm one movement

MT900 · MT910 · CAMT.054

A single debit or credit as the bank books it, at item level and often richer than the statement line it will eventually become.

Confirm a figure and nothing else

MT941

A balance report has no statement lines in it at all. It answers how much, never why, and the screen it lands on says which of the two you are looking at.

Tell the bank to pay

PAIN.001 · PAIN.008 · MT101

Credit transfers, direct debit collections, and the SWIFT request for transfer for the banks that prefer it.

Read the bank’s answer

PAIN.002

Accepted, rejected or still pending, per file and per transaction, landing back on the batch that left.

These are examples rather than a list. A bank that sends something not named here gets a profile of its own, and adding it is our work rather than your project.

Fixed width

What about the formats that are not XML at all?

They arrive every morning and they are not going away. BAI2 numbers its records and keeps the direction in a type code rather than a sign. CSB43 has no delimiters at all: eighty characters a line, position is the field name, and an amount is minor units with the decimal point implied.

BAI2Record 03 carries the day’s totals; record 16 is one movement
02,,0049,1,260814,,EUR,2/
03,2345678901,EUR,010,286411247,,,100,18204655,1,,400,5525735,2,,015,299090167,,/
16,165,18204655,,BK26081401,4471QX,NORTE TESORERIA SL FRA 4471/
16,455,4231890,,BK26081402,MD-88214,NORTE SUMINISTROS SL SUMINISTRO JULIO/
16,408,1293845,,BK26081403,,COMISION MANTENIMIENTO 3T/
CSB43 · N43Eighty characters a record, and record 33 states the day’s arithmetic
110049000123456789012608142608142000002864112479783SOCIEDAD MATRIZ SA           
22    00012608142608150401220000001820465500000044714471QX      NORTE TESORERIA 
2301NORTE TESORERIA SL                    FRA 4471                              
22    0001260814260814030071000000042318900000004472MD-88214    SUMINISTRO JULIO
2301NORTE SUMINISTROS SL                  SUMINISTRO JULIO                      
22    0001260814260814170031000000012938450000004473            COMISION 3T     
2301COMISION MANTENIMIENTO 3T                                                   
33004900012345678901000020000000552573500001000000182046552000002990901679783   

Record 33 is the most useful line on this page: how many debits and what they come to, how many credits and what they come to, and the closing balance, all stated by the bank in one record. That is the arithmetic MT940 leaves you to do and CAMT.053 spreads across two balance elements — and all four formats land on the same figure.

What we read

What comes out of one statement line?

Everything the line and its free text carry, whichever format brought them. Below is one MT940 movement — the credit at the top of the day — with each value beside the subfield or tag it was read from.

That is what a reconciliation actually matches on. The counterparty and the reference are the two a free-text format hides, and reading them out of :86: is the difference between a movement that finds its invoice and a movement that waits for somebody.

MT9xx Interpretation · one statement line

EUR

The bank’s bytes

:86:/ORDP/NORTE TESORERIA SL/REMI/FRA 4471/EREF/4471QX
Amount:61: · 5
EUR 182,046.55
Value date:61: · 1
Aug 15, 2026
Booking date:61: · 2
Aug 14, 2026
Transaction type:61: · 6
NTRF
Bank reference:61: · 8
BK26081401
Counterparty:86: /ORDP/
NORTE TESORERIA SL
Concept:86: /REMI/
FRA 4471
End-to-end reference:86: /EREF/
4471QX
An interpretation belongs to a bank rather than to a format: two banks on one standard fill it differently.

Practical questions

What else do practitioners ask about these files?

01What does the MT940 :86: field contain?
Whatever the bank decided. The standard calls it information to the account owner and stops there. Some banks write structured subfields — /ORDP/ for the ordering party, /BENM/ for the beneficiary, /REMI/ for the remittance, /EREF/ for the end-to-end reference. Some write their own numbered field codes. Some write a sentence. Tresora reads each bank’s convention as an interpretation of its own, and improving one re-reads the movements already loaded rather than leaving them as they were.
02Is CAMT.052 the same as CAMT.053?
No. CAMT.052 is the intraday account report and CAMT.053 is the end-of-day statement. The structures are close, and the difference that matters is status: a CAMT.052 entry can still be pending, and a CAMT.053 entry is booked. A pending entry is enough to move a forecast and not enough to close a day.
03What is CSB43, and is N43 a different format?
One format, two names. CSB43 is Norma 43 of the Spanish banking association — cuaderno 43 — and .N43 is the extension most Spanish banks put on the file. Eighty characters a record, no delimiters, amounts in minor units with no decimal point, and the concept split across complementary records numbered 23.
04Why is BAI2 still in use?
Because it is the cash-management format of the United States and it works. Totals and detail travel in one file, and the direction of every movement comes from a numeric type code rather than a sign. A group with one American bank has one BAI2 file in an otherwise ISO 20022 morning, and it reconciles beside the rest.
05Which version of CAMT.053 do you read?
The one your bank sends. CAMT.053 is published in several versions and the element paths differ between them: a party’s name sits a level deeper in the later ones. A format profile is pinned to the version on the file rather than to the name of the standard, and it belongs to a bank, because two banks on one version still fill it differently.
06My bank sends a format that is not on this page.
Then it becomes a profile like the ones here. Send us a file: we read it, name its fields and show you what came out. The catalog grows the day one of your banks needs it to.

Send us one file and we will read every field in it.

Whatever your most awkward bank sends, in whatever it sends it in. We name every field, chain the balances, and show you the movements beside the records they came from.

One file is enough for this. It does not need a connection, and it does not need to be this month’s.