Amendment

Identification
Name
Amendment
Definition (1)
Source
CEN.
Description
"Ratified supplementary document to an EN (and HD for CENELEC) already circulated to CEN/CENELEC national members for national implementation, to be read in conjunction with that EN (and HD for CENELEC) and which alters and/or adds to previously agreed technical provisions in that EN (and HD for CENELEC)."
See also

De Facto Standardization
Formal Standardization
Standardization in the EU
European Standard (EN)

Definition (2)
Source
ISO/IEC Directives, Part 1. "Procedures for the technical work". Eight Edition 2011.
Description
An amendment alters and/or adds to previously agreed technical provisions in an existing International Standard.
The procedure for developing and publishing an amendment shall be as described in 2.3 (ISO), or the maintenance procedures (see IEC Supplement) and 2.4 to 2.8.
At the approval stage (2.7), the Chief Executive Officer shall decide, in consultation with the secretariat of the technical committee or subcommittee, and bearing in mind both the financial consequences to the organization and the interests of users of the International Standard, whether to publish an amendment or a new edition of the International Standard, incorporating the amendment. (See also 2.10.4.)
Note
Where it is foreseen that there will be frequent additions to the provisions of an International Standard, the possibility should be borne in mind at the outset of developing these additions as a series of parts (see ISO/IEC Directives, Part 2).

Identification
Name	Amendment
Definition (1)
Source	CEN.
Description	"Ratified supplementary document to an EN (and HD for CENELEC) already circulated to CEN/CENELEC national members for national implementation, to be read in conjunction with that EN (and HD for CENELEC) and which alters and/or adds to previously agreed technical provisions in that EN (and HD for CENELEC)."
See also	De Facto Standardization Formal Standardization Standardization in the EU European Standard (EN)
Definition (2)
Source	ISO/IEC Directives, Part 1. "Procedures for the technical work". Eight Edition 2011.
Description	An amendment alters and/or adds to previously agreed technical provisions in an existing International Standard. The procedure for developing and publishing an amendment shall be as described in 2.3 (ISO), or the maintenance procedures (see IEC Supplement) and 2.4 to 2.8. At the approval stage (2.7), the Chief Executive Officer shall decide, in consultation with the secretariat of the technical committee or subcommittee, and bearing in mind both the financial consequences to the organization and the interests of users of the International Standard, whether to publish an amendment or a new edition of the International Standard, incorporating the amendment. (See also 2.10.4.)
Note	Where it is foreseen that there will be frequent additions to the provisions of an International Standard, the possibility should be borne in mind at the outset of developing these additions as a series of parts (see ISO/IEC Directives, Part 2).