olemus
Wiktionary:
3.4. a preferential tax rate
3.5. (chiefly UK) a discounted price offered to certain classes of people, such as students or the elderly

https://en.wikipedia.org/wiki/Discounts_and_allowances

näiteid
concession in/on price -- hinnaaland
concessional financing -- soodusfinantseerimine
concessional lending -- sooduslaen
concessional taxation -- soodusmaksustamine
concessionary terms -- soodustingimused
customs concession -- tollisoodustus
export concession -- ekspordi soodustus
price concession -- hinnasoodustus, hinnas järeleandmine
tariff concessions -- tariifisoodustused
tax concession --
maksualand, maksuvähend, maksusoodustus

vt ka
- aland (2)
- järeleandmine (1)
- soodustus (1)
- soodustus (2)