|MT1xx||Customer Payments and Cheques|
|MT2xx||Financial Institution Transfers|
|MT4xx||Collection and Cash Letters|
|MT6xx||Treasury Markets – Metals and Syndications|
|MT7xx||Documentary Credits and Guarantees|
|MT9xx||Cash Management and Customer Status|
The first digit (3) represents the category. A category denotes messages that relate to particular financial instruments or services such as Precious Metals (6), Treasury (3), or Travellers Cheques (8). The category denoted by 3 is Treasury Markets.
The second digit (0) represents a group of related parts in a transaction life cycle. The group indicated by 0 is a Financial Institution Transfer.
The third digit (4) is the type that denotes the specific message.
For more information and message type description please refer to below links: