Definition / Belongs to this divisionThis division includes various copying, document production and specialized office supply activities. Document copying and printing here only includes small series printing.

This division includes:
- document preparation
- document editing or proofreading
- typing, word processing
- secretarial activities,
- transcription of documents and other secretarial work
- writing the letter or summary
- Mailbox rental and other postal and correspondence services (excluding direct mail)
- reproduction, photocopying
- making copies
- copying of blueprints
- other document copying activities, with the exception of printing services such as offset printing, high speed printing, digital printing, prepress
It does not belong to this sectorThis division excludes:
- printing of documents (offset printing, rapid printing, etc.), see 18.12
- pre-pressure operations, see 18.13
- letter post, see 73.11
- special rapid typing service, such as court record, see 82.99
- the public shorthand service, see 82.99

Definition / Belongs to this divisionThis division includes complex day-to-day office administration services for others, such as reception, financial planning, billing and certification, personal and correspondence services, etc. for fee or on a contractual basis.
It does not belong to this sectorThis division excludes:
- carrying out only one of the above activities, see the sector corresponding to the activity
- hiring or providing of personnel without supervision, see Division 78
It does not belong to this branch - Hungarian supplementThis division excludes - Hungarian supplement:
- full performance of the business, see the sector corresponding to the business carried out

Definition / Belongs to this divisionThis subsector includes a wide range of day-to-day office administrative services provided to others, such as financial planning, invoicing and documentation, distribution and logistics of personnel and physical assets for fee or on a contractual basis.
also belongs to this sectorThis subsector also includes:
- ancillary activities provided to others for remuneration or on a contractual basis, which are routine business tasks and which are traditionally carried out by enterprises and organizations themselves
It does not belong to this sectorThis division excludes: Employees who perform the activity do not conduct the entire business. If the agent carries out a specific part of these ancillary activities, his activity must be classified in the corresponding sector.

Definition / Belongs to this divisionThis division includes:
- general (non-special) cleaning of all building types, such as:
- offices
- houses and apartments
- factories
- shops
- general (non-special) cleaning of institutions and other business and professional premises, as well as multi-apartment residential buildings

These are mainly internal cleaning activities, but may include associated exterior parts of the building, such as e.g. cleaning windows and passageways, hanging corridors.
It belongs to this branch - Hungarian supplementThis division includes - Hungarian supplement:
- cleaning in households
- carrying out "" handyman "" work in households, such as. repairing leaking toilets, replacing lighting fixtures, etc.
It does not belong to this sectorThis division excludes:
- special internal cleaning, such as window cleaning, chimney cleaning, cleaning of stoves, boilers, incinerators, boilers, ventilation ducts, extractors, see 81.22