Property talk:P4156

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Czech Registration ID (IČO)
8-digit identifier for an organization (or self-employed entrepreneur) in the Czech Republic, conferred by the Czech Statistical Office

Associated item	Czech Statistical Office (Q3504917)
Data type	External identifier
Template parameter	|IČO= in cs:šablona:Infobox - firma
Domain	organization (Q43229), juridical person (Q155076) or human (Q5)
Allowed values	[0-9]{8}
Example	ČEZ Group (Q336735) → 45274649 Ministry of Education, Youth and Sports (Q11781505) → 00022985 Czech Red Cross (Q4515418) → 00426547
Formatter URL	https://ares.gov.cz/ekonomicke-subjekty?ico=$1
Related to country	Czech Republic (Q213) (See 154 others)
See also	Legal Entity Identifier (P1278), EU VAT number (P3608), Slovak Registration ID (P8174), OpenCorporates ID (P1320), Czech electoral party ID (P11031)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties Items with no other external identifier Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Chart by item creation date Map of people by place values: place of birth educated at work location residence place of death place of burial January 1st dates People with date of birth on January 1 People with date of death on January 1 People with both dates on January 1 Database reports/Complex constraint violations/P4156 Database reports/Constraint violations/P4156 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 50,623 Main statement 50,374 99.5% of uses Qualifier 6 <0.1% of uses Reference 243 0.5% of uses
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[create Create a translatable help page (preferably in English) for this property to be included here]

Format “[0-9]{8}|”: value must be formatted using this pattern (PCRE syntax). (Help)

List of violations of this constraint: Database reports/Constraint violations/P4156#Format, hourly updated report, SPARQL

Type “organization (Q43229), juridical person (Q155076), human (Q5)”: item must contain property “instance of (P31)” with classes “organization (Q43229), juridical person (Q155076), human (Q5)” or their subclasses (defined using subclass of (P279)). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P4156#Type Q43229, Q155076, Q5, SPARQL

Distinct values: this property likely contains a value that is different from all other items. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P4156#Unique value, SPARQL (every item), SPARQL (by value)

Single best value: this property generally contains a single value. If there are several, one would have preferred rank (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P4156#single best value, SPARQL

Item “country (P17): Czech Republic (Q213), Czechoslovakia (Q33946)”: Items with this property should also have “country (P17): Czech Republic (Q213), Czechoslovakia (Q33946)”. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P4156#Item P17, search

Conflicts with “instance of (P31): Wikimedia disambiguation page (Q4167410), Wikimedia category (Q4167836)”: this property must not be used with the listed properties and values. (Help)

List of violations of this constraint: Database reports/Constraint violations/P4156#Conflicts with P31, hourly updated report, SPARQL

Item “instance of (P31)”: Items with this property should also have “instance of (P31)”. (Help)

List of violations of this constraint: Database reports/Constraint violations/P4156#Item P31, hourly updated report, search, SPARQL

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P4156#Entity types

Scope is as main value (Q54828448), as reference (Q54828450): the property must be used by specified way only (Help)

List of violations of this constraint: Database reports/Constraint violations/P4156#Scope, hourly updated report, SPARQL

Label required in languages: cs: Entities using this property should have labels in one of the following languages: cs (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P4156#Label in 'cs' language, search, SPARQL

Validate czech organization numbers
Report organizations with incorrect organization numbers, found by validating the checksum (Help)
Violations query: SELECT ?item #?itemLabel ?iconr ?checksum ?checksum2 ?quot ?rem WITH { SELECT DISTINCT * WHERE { ?item wdt:P4156 ?iconr . FILTER(strlen(?iconr) = 8) BIND(xsd:integer(substr(?iconr, 1, 1))*8 + xsd:integer(substr(?iconr, 2, 1))*7 + xsd:integer(substr(?iconr, 3, 1))*6 + xsd:integer(substr(?iconr, 4, 1))*5 + xsd:integer(substr(?iconr, 5, 1))*4 + xsd:integer(substr(?iconr, 6, 1))*3 + xsd:integer(substr(?iconr, 7, 1))*2 AS ?checksum) #BIND(floor(?checksum/11) AS ?quot) #BIND(?checksum - 11*?quot AS ?rem) BIND(11 - ?checksum + 11*floor(?checksum/11) AS ?checksum2) FILTER(substr(?iconr, 8, 1) != substr(?checksum2, strlen(?checksum2), 1)) } #LIMIT 1000 } AS %i WHERE { INCLUDE %i SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en" . } }
List of this constraint violations: Database reports/Complex constraint violations/P4156#Validate czech organization numbers

Pattern ^(\d{7})$ will be automatically replaced to 0\1. Testing: TODO list

Pattern ^(\d{6})$ will be automatically replaced to 00\1. Testing: TODO list

Pattern ^(\d{5})$ will be automatically replaced to 000\1. Testing: TODO list

Pattern ^(\d{4})$ will be automatically replaced to 0000\1. Testing: TODO list

Pattern ^(\d{3})$ will be automatically replaced to 00000\1. Testing: TODO list

This property is being used by: Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)

RES database

Czech Statistical Office (Q3504917) has finally updated its RES database GUI so that it is now possible to refer directly to the IČO and thus have formatter URL. Also, the amount of information about the subject has been slightly expanded. So I suggest to change the formatter URL to https://apl.czso.cz/res/detail?ico=$. There is more information in the business registry, but not all types of entities are there. Jklamo (talk) 21:36, 27 August 2023 (UTC)

I have added the RES link about half a year ago as a “third-party formatter URL”. So if the question is “should we switch the primary”… I don’t care really; the same question has been raised for the ARES link and… it doesn’t matter to me, but yes, it makes some sense to have a formatter link which works for (almost?) all values, not only for juridical persons. --Mormegil (talk) 08:51, 28 August 2023 (UTC)

Me neither, but I remember there was a discussion somewhere (I can't remember where) about limited business registry coverage. RES looks like it's struggling with long-denfunct entities (see [1] vs [2], but otherwise it's probably complete. Jklamo (talk) 19:35, 28 August 2023 (UTC)