Loi du 22 décembre 1986 sur la preuve des actes juridiques. | http://data.legilux.public.lu/eli/etat/leg/loi/1986/12/22/n4/jo — Luxembourg law | Esheria

Loi du 22 décembre 1986 sur la preuve des actes juridiques.

This text is the preamble of the law and records its formal promulgation by the Grand Duke after the State Council and Chamber of Deputies were consulted.

AI-assisted research synopsis — verify against the official legal text below.

Jurisdiction
Luxembourg
Instrument
Act or statute
Citation
http://data.legilux.public.lu/eli/etat/leg/loi/1986/12/22/n4/jo
Status
In force
Version
Undated source snapshot
Language
fr
Updated
Official source
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accounting records bookkeeping contract formalities deposits document storage documentary evidence financial records oaths prescription period proof of obligations records management retention period transitional rules

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Statute overview

About this statute

This text is the preamble of the law and records its formal promulgation by the Grand Duke after the State Council and Chamber of Deputies were consulted. This provision tightens and adjusts proof rules for certain acts, deposits, and oaths, including when witness testimony is barred or allowed and when written or electronic reproductions can count as proof. A merchant must keep proper accounts matching the nature and scale of the business, record transactions promptly and completely in date order, and if using specialized journals, centralize them in one central ledger. Supporting documents and letters received or sent must be kept in date order and in a methodical filing system. Documents or information covered by articles 8 to 10 may be kept on microfilm or computer storage, if the reproductions match the originals, stay continuously readable for the retention period, and meet conditions set by grand-ducal regulation. The storage program must also be compatible with regular accounting principles.