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ANNEX XI. SHIPMENT CODE STRUCTURES

This information is only mandatory for /delivery/cn shipments

Package Code Structure for National Registered Products

General Description

The package code has a maximum length of 23 characters and is designed to contain all necessary information for unique identification and automated processing of products.

Code Components

1. Product Type (XX)

  • Position: 1-2
  • Format: 2 alphanumeric characters
  • Function: Identifies the product for correct postal management
  • Reference: See Annex I for allowed starting letters

2. Client Code (CCCC)

  • Position: 3-6
  • Format: 4 alphanumeric characters
  • Allowed characters: 0-9, A-Z (except I, Ñ, O, U)
  • Special ranges:
    • Offices: "0000" to "0ZZZ" (35,937 possible values)
    • Labeling clients: "1000" to "ZZZZ" (1,149,984 possible values)

3. Generation Channel (EE)

  • Position: 7-8
  • Format: 2 numeric characters
  • Function: Indicates the system that generated the shipment identification

4. Client Sequential (NNNNNNN)

  • Position: 9-15
  • Format: 7 numeric characters
  • Characteristic: Preferably sequential correlative
  • Function: Unique shipment identification from the sender's perspective

5. Package Number (BB)

  • Position: 16-17
  • Format: 2 characters
  • Observation: Reserved for future use in multi-packages
  • Requirement: Must match the pre-registration file
  • Mandatory: Required (except in OV2)

6. Destination Postal Code (PPPPP)

  • Position: 18-22
  • Format: 5 characters
  • Special case Andorra:
    • Standard format: AD[XXX]
    • Alternative: 99[XXX]

7. Control Character (H)

  • Position: 23
  • Format: 1 alphabetic character
  • Function: Guarantees the global validity of the code
  • Reference: See Annex IV for calculation formula

Additional Notes

  • The structure is compatible with Correos Express sorters
  • Detailed requirements for code generation can be found in Annex III
  • Labels generated from OV2 or by the client must follow the design specified in Annex IIA

Position Diagram

[XX][CCCC][EE][NNNNNNN][BB][PPPPP][H]
 |    |     |     |      |    |     |
 |    |     |     |      |    |     └─ Control
 |    |     |     |      |    └─ Postal Code
 |    |     |     |      └─ Package No.
 |    |     |     └─ Sequential
 |    |     └─ Channel
 |    └─ Client
 └─ Product Type

Package Code Structure for International Parcel Products

General Description

The Package code for international shipments has a maximum length of 13 characters and is designed to identify products from the international portfolio.

Code Components

1. Product Type (XX)

  • Position: 1-2
  • Format: 2 alphabetic characters
  • Function: Identifies the specific product
  • Reference: See Annex I for allowed values

2. Client Sequential (SSSSSSSS)

  • Position: 3-10
  • Format: 8 numeric characters
  • Characteristics:
    • Preferably sequential correlative
    • Uniquely identifies each shipment
    • Combines with product type and control digit

3. Control Digit (D)

  • Position: 11
  • Format: 1 numeric character
  • Function: Guarantees the global validity of the code
  • Reference: See Annex V for calculation formula

4. Country Code (ES)

  • Position: 12-13
  • Format: 2 alphabetic characters
  • Standard: ISO 3166-1
  • Example: "ES" for Spain
  • Function: Identifies country of origin

Position Diagram

[XX][SSSSSSSS][D][ES]
 |      |      |  |
 |      |      |  └─ Country (ISO 3166-1)
 |      |      └─ Control Digit
 |      └─ Client Sequential
 └─ Product Type

POAXAC Code Structure for deliverypostcn

General Description

For this endpoint, it is mandatory to provide the package code with the already defined structure.

The shipment code has a specific structure for unitary admission notifications, with a defined format: NVEEEE9800000000000001A

Code Components

1. Product Type (NV)

  • Position: 1-2
  • Value: NV
  • Product: Unitary admission notification
  • Product Code: POAXAC
  • Available modalities:
    • NTAPEU
    • S0273
    • NOTIF

2. Labeler Code (EEEE)

  • Position: 3-6
  • Format: 4 alphanumeric characters
  • Observation: Provided by the commercial department

3. Generation Channel (98)

  • Position: 7-8
  • Fixed value: 98
  • Meaning: Indicates that the pre-registration channel is API

4. Client Numbering (00000000000001)

  • Position: 9-22
  • Format: 14 numeric digits
  • Characteristics:
    • Must not repeat in 5 years
    • If exhausted, requires labeler change
    • Maximum capacity: 99,999,999,999,999
  • Important: Evaluate expected consumption to calculate when numbering will be exhausted

5. Control Digit (A)

  • Position: 23
  • Format: 1 alphabetic character
  • Calculation: Similar to Spanish DNI algorithm

Position Diagram

[NV][EEEE][98][00000000000001][A]
 |     |    |         |         |
 |     |    |         |         └─ Control Digit (DNI type)
 |     |    |         └─ Client Numbering (14 digits)
 |     |    └─ API Channel (fixed)
 |     └─ Labeler
 └─ Product Type (Notification)

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