# FpML 4.0 Validation Change History

This is the change history for the validation rules and architecture published by the FpML Validation Working Group in conjunction with the product working groups.

## Rule Set 2004-04-02

Full URL: http://www.fpml.org/2003/FpML-4-0/validation/2004-04-02

- Includes first release for credit derivatives: `cd-1` to `cd-37`
- Interest Rate Derivatives changes:
  - Rule ird-13 deleted. Replaced with ird-57 and ird-58
  - Any period is now a multiple of 1D
- No changes to architecture:

## Rule Set 2003-12-01

Full URL: http://www.fpml.org/2003/FpML-4-0/validation/2003-12-01

- Added rules for shared elements: `shared-1` to `shared-14`
- No changes to other rules
- No changes to architecture

## Rule Set 2003-12-01

Full URL: http://www.fpml.org/2003/FpML-4-0/validation/2003-10-14

- No changes: first release