(EN) ISO/IEC 27701, adopted in 2019, added additional ISO/IEC 27002 guidance for PII controllers.

Here is the relevant paragraph to article 11(1) GDPR:

7.4.5 PII de-identification and deletion at the end of processing

Control

The organization should either delete PII or render it in a form which does not permit identification or re-identification of PII principals, as soon as the original PII is no longer necessary for the identified purpose(s).

(EN) ISO/IEC 27701, adopted in 2019, added additional ISO/IEC 27002 guidance for PII controllers.

Here is the relevant paragraphs to article 11(2) GDPR:

7.3.2 Determining information for PII principals

Control

The organization should determine and document the information to be provided to PII principals regarding the processing of their PII and the timing of such a provision.

Implementation guidance

The organization should determine the legal, regulatory and/or business requirements for when information is to be provided to the PII principal (e.g. prior to processing, within a certain time from when it is requested, etc.) and for the type of information to be provided.

Depending on the requirements, the information can take the form of a notice. Examples of types of information that can be provided to PII principals are: