Wikidata:Property proposal/effective date

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effective date[edit]

Originally proposed at Wikidata:Property proposal/Generic

   Done: effective date (P7588) (Talk and documentation)
Descriptiondate on which a statutory or administrative law comes into force. This date may differ for different sections of the law. This may also be retrospective, predating the date of enactment.
Representseffective date (Q5347252), coming into force (Q490812)
Data typePoint in time
Domainlegislation (Q49371)
Allowed valuesMultiple date values to be allowed; each date may have qualifier "valid for", to indicate the relevant sections.
Example 1Forty-second Amendment of the Constitution of India (Q5472937) → 3 January 1977
Example 2Forty-second Amendment of the Constitution of India (Q5472937) → 1 February 1977
Example 3Forty-fourth Amendment of the Constitution of India (Q72980991) → 20 June 1979
Expected completenessalways incomplete (Q21873886)
See alsovalid for

Motivation[edit]

For any statutory law, there is an effective date, on which, the Act comes into force. This date is notified either within the Act, or separately. This is different from the date of assent or enactment. This may be retrospective, or have multiple values (for different sections). While working on amendments of the Constitution of India, I am facing difficulty because of absence of this parameter.Hrishikes (talk) 04:01, 15 November 2019 (UTC)

Discussion[edit]

Currently I am using start time (P580) in place of effective date and inception (P571) as date of assent. I am having problems with this method. These two cannot be used as independent statements. So, I am using inception as statement and start time as its qualifier. So I cannot use another qualifier ("valid for") for start time, to indicate sections. And start time does not support multiple values. So a parameter is needed, which supports multiple values, can be used as statement alongside another statement for date of assent, and can use qualifier to indicate sections. Hrishikes (talk) 01:57, 16 November 2019 (UTC)