Codes

Product content - mandatory
Definition	Code to indicate what type of content is presented in the product, usually "text" in the case of e-books.
General notes	---
	MARC 21	ONIX 3.0.8 Reference Names	ONIX 3.0.8 Short Tags
Format	LDR Pos. 06 = "a"	<DescriptiveDetail> /ONIXMessage/Product/DescriptiveDetail <PrimaryContentType> with value 10 "Text (eye-readable)" from code list 81 /ONIXMessage/Product/DescriptiveDetail/PrimaryContentType	<descriptivedetail> <x416> with value 10 "Text (eye-readable)" from code list 81
Format notes	LDR = Leader No indicators or subfields	---
Example	`LDR 03643nam#a22004815i#4500`	`<DescriptiveDetail>` `<PrimaryContentType>10</PrimaryContentType>` `</DescriptiveDetail>`	`<descriptivedetail>` `<x416>10</x416>` `</descriptivedetail>`

Publication type - mandatory
Definition	Specification of a code for an e-book as a single unit.
General notes	---
	MARC 21	ONIX 3.0.8 Reference Names	ONIX 3.0.8 Short Tags
Format	LDR Pos. 07 = "m"	<DescriptiveDetail> /ONIXMessage/Product/DescriptiveDetail <ProductComposition> with value "00" from code list 2 /ONIXMessage/Product/DescriptiveDetail/ProductComposition	<descriptivedetail> <x314> with value "00" from code list 2
Format notes	LDR = Leader No indicators or subfields; Use “m“ (E-Book)	---
Example	`LDR 03643nam#a22004815i#4500`	`<DescriptiveDetail>` `<ProductComposition>00</ProductComposition>` `</DescriptiveDetail>`	`<descriptivedetail>` `<x314>00</x314>` `</descriptivedetail>`

Physical description - mandatory
Definition	Specification of the product form e-book (online resource)
General notes	---
	MARC 21	ONIX 3.0.8 Reference Names	ONIX 3.0.8 Short Tags
Format	007 Pos. 00-01 = “cr“	<DescriptiveDetail> /ONIXMessage/Product/DescriptiveDetail <ProductForm> from code list 150 /ONIXMessage/Product/DescriptiveDetail/ProductForm	<descriptivedetail> <b012> from code list 150
Format notes	No indicators or subfields	---
Example	`007 cr#nn#008mamaa`	`<DescriptiveDetail>` `<ProductForm>EA</ProductForm>` `</DescriptiveDetail>`	`<descriptivedetail>` `<b012>EA</b012>` `</descriptivedetail>`

Language - mandatory
Definition	Product language
General notes	Specification of a language code according to ISO 639-2
	MARC 21	ONIX 3.0.8 Reference Names	ONIX 3.0.8 Short Tags
Format	008 Pos. 35-37 041 $a $2	<Language> /ONIXMessage/Product/DescriptiveDetail/Language <LanguageRole> with value 01 "Language of text" from code list 22 /ONIXMessage/Product/DescriptiveDetail/Language/LanguageRole <LanguageCode> from code list 74 /ONIXMessage/Product/DescriptiveDetail/Language/LanguageCode	<language> <b253> with value 01 "Language of text" from code list 22 <b252> from code list 74
Format notes	008 No indicators or subfields The only or first language of the resource should be specified both in 008 positions 35-37 and in 041 $a $2. All other languages are specified in the repeatable subfield $a in the same category 041.	---
Example	`008 220805s2022####gw#\|\|\|\| \|o\|\|\|\|#00\|\|\|\|eng#\|` `041 #7 $a eng $a fre $2 iso639-2`	`<Language>` `<LanguageRole>01</LanguageRole>` `<LanguageCode>ger</LanguageCode>` `</Language>`	`<language> <b253>01</b253> <b252>ger</b252> </language>`