MT700 Field 41A Relationship with UCP 600 Articles

Introduction

Field 41A (Available With … By …) tells the beneficiary where and by what method the credit can be drawn. Under UCP 600, availability and expiry are central articles, so 41A is the SWIFT expression of an obligation the rules require to be stated clearly. Reading the field through those articles explains why the bank and method must be precise.

Failure Mode Analysis

Failure Mode 1: Availability method not stated

Field 41A omits the "By …" method. Article 6 requires the method of availability to be stated, so the credit is defective.

Failure Mode 2: Available-with bank ambiguous

Field 41A uses an unclear Option D name or an invalid Option A code, leaving Article 6's "bank with which it is available" undefined.

Failure Mode 3: Place for presentation mismatch

The 41A location does not align with the 31D expiry place, breaching the Article 6 place-for-presentation rule.

Failure Mode 4: Method conflicts with payment fields

Field 41A says "By Payment" while 42C/42a drafts are present, or states negotiation while 42P deferred details apply, against rule C3.

Failure Mode 5: Undertaking expectation unclear

Because 41A sets availability, a mismatch leaves Articles 7–8 (honour/negotiation undertaking) uncertain for the confirming or nominated bank.

Deterministic Resolution Architecture

1. Confirm field 41A states both the available-with bank and the "By …" method.
2. Read 41A against UCP 600 Article 6 as the availability and place requirement.
3. Align the 41A location with the 31D expiry place (place for presentation).
4. Match the availability method to the permitted 42x combination under rule C3.
5. Verify the Article 7 issuing-bank undertaking and Article 8 confirming-bank undertaking fit the stated method.
6. Use a valid Option A code or a clear Option D name.
7. Reconcile 41A with 40A form and the shipment fields for a workable route.
8. Amend the message if the availability statement is incomplete or inconsistent.

Conclusion

Field 41A is the SWIFT encoding of the UCP 600 Article 6 availability requirement — the bank, the method, and the place for presentation. A precise 41A, aligned with 31D and the payment fields, is what makes the Articles 7–8 undertakings operable.

FAQ

What is field 41A? The SWIFT MT700 "Available With … By …" field stating the bank and method of availability.

Which UCP articles relate to 41A? UCP 600 Article 6 (availability and expiry) and Articles 7–8 (undertakings).

Why must the method be stated? Article 6 requires the method of availability to be stated in the credit.

Does 41A's location matter? Yes. It should match the 31D expiry place under the Article 6 place-for-presentation rule.

How do payment fields connect? Rule C3 permits only certain 42x combinations; 41A's method must fit them.

Where do the undertakings come from? Articles 7 (issuing bank) and 8 (confirming bank) honour or negotiate a complying presentation made under 41A.

Source Notes

• Context only: SWIFT SR2018 Category 7, MT700 field 41A (Available With … By …, Option A or D); associated fields 43P, 43T, 44A/44B, 44C/44D, 44E/44F, 45A.
• Context only: UCP 600 Article 6 (availability and expiry) and Articles 7–8 (issuing/confirming bank undertakings).
• Source dossier field_contexts for field 41A; UCP 600 text cited by article number.