List of official business registers

There are many types of official business registers, usuallymaintained for various purposes by a state authority, such as a government agency, or a court of law. In some cases, it may also be devolved to self-government bodies, either commercial (a chamber of commerce) or professional (a regulatory college), or to a dedicated, highly regulated company (operator of a stock exchange, a multilateral trading fscility, or an alternative trading system). 
A business register may include data on entities, as well as on their status for various purposes. Examples of such registers include: 
Another group of business registers is focused on various assets or liabilities of an entity, rather than on entities themselves, these include: 
Some types of business registers combine the features of both groups, these include:
The following is an incomplete list of official business registers by country:
Poland.
Terminology.
No universal definitions of company and business exist in the Polish law. 
The usage of the equivalent terms in the Polish legal system may often be confusing because each of them has several different definitions for various purposes. 
Przedsiębiorca (entrepreneur, sometimes also translated undertaking), until 1964 kupiec (merchant), 1964–1988 jednostka gospodarcza (economic unit), 1988–1997 podmiot gospodarczy (economic entity), is the closest equivalent of company understood as an entity. As of January 2021, there are at least thirteen different definitions of entrepreneur/undertaking, enshrined in the following acts:
Przedsiębiorstwo (enterprise) is defined in the Civil Code as an organized complex of material and non-material components designated to perform economic activity. Therefore, it is equivalent to company understood as a set of assets organized to do business.
Działalność gospodarcza (economic activity) is the closest equivalent of business. As of January 2021, there are at least six different definitions of economic activiy, enshrined in the following acts:
Businesses exempt from registration as entrepreneurs.
Types of businesses exempt from registration as entrepreneurs.
Non-registered economic activity of a beginner enterpreneur: unregulated business activity of a natural person may be exempt from registration in the CEIDG if the person has not performed business activities during the preceding 60 months and the monthly gross income generated by the activity does not exceed 50% of the minimum wage. Such activity is also free from the obligation to pay social insurance contributions, nevertheless, it is still subject to taxation and health insuranće contributions.
A chancellery of a judicial enfocement officer (commonly known as bailiff) – a court bailiff is a public official (but not a civil servant) who is assigned to undertake enforcement action within the area of the jurisdiction of a single regional court; it is an individual who is appointed to act as such by the minister of justice on application of the person concerned, filed via the intermediary of the president of the court of appeal, within whose area the candidate intends to perform acts in enforcement proceedings. Before appointing, the minister of justice shall request the council of the chamber of the court bailiffs to give the opinion of the candidate. A bailiffs is not employed by the court in spite of acting on behalf of its authority, but is self-employed and operates an own single chancellery (named Bailiff's Chancellery of the Regional Court in...), a quasi-undertaking excluded from registration as an entrepreneur in CEIDG, but treated as such for other purposes, including income taxation or social and health insurance, obligated to obtain NIP and REGON numbers by registering in the relevant registers, and is remunerated by percentage on money recovered and the other fees specified in "The Court Bailiffs and Enforcement Act of 20 August 1997". The bailiff also incurs expenses, to be covered by the debtor or by the creditor if the enforcement proceedings are ineffective.
Proper agricultural activity of an individual farmer (animal husbandry; inland fisheries; plant production, including crop cultivation, vegetable farming, horticulture, orchard farming, fungiculture, seed production, plant nursery, forestry) are excluded from registration as entrepreneur (but are still obligated to obtain NIP and REGON numbers by registering in the relevant registers, as well as to obtain in most cases registration in the Register of Producers, Agricultural Holdings and Applications for Payment Entitlements, the latter being obligatory for all holders of pigs, cattle, goats or sheep, and a prerequisite to receive any public state or EU funding). Proper agricultural activity is exempt from income and real estate taxes, being subject to much more lenient agricultural tax instead. Such farmer is obligated to pay agricultural social and health insurance contributions subsidized by the state, instead of paying much higher regular social and health insurance contributions. A farmer may also produce certain amount of liquid biofuels for own use, after registering in a dedicated Register of Farmers Producing Biofuels for Their Own Use (see below), and in the Central Register of Excise Entities as a (token amount) excise taxpayer, but without the obligation to register as VAT taxpayer.
Certain other types of limited-scale economic activity of an individual farmer (agri-tourism, direct-to-consumer sales of own products at the farm or at marketplaces, winemaking out of own crops) may also be performed without registering as an entrepreneur, unless he/she decides otherwise, and unless such income does not exceed certain limits; such farmer may also retain the right to participate in the preferentiaL agricultural social insurance system if he has been covered by it for at least three years preceding initiation of an additional activity, and intends to continue proper agricultural production; however, land and buildings used for such additional activities are subject to real estate tax; 
Certain types of juridical persons or other collective legal entities, if they have been established otherwise than by registration in the KRS, may in few situations be authorized by law to perform (along with its main usually non-commercial or not-for-profit activity) a limited scope and/or scale of business activity, despite remaining exempt from the obligation to register in the KRS, but is still obligated to obtain NIP and REGON numbers by registering in the relevant registers, and is usually still subject to the general taxation rules (including VAT); examples of such situations include:
Registers of selected types of businesses exempt from registration as entrepreneurs.
Registers of some of the abovememtioned types are available online:
Notably absent are: