In the UK, you generally cannot claim Input Tax Credit (ITC) on exempt goods or services. If your business supplies both exempt and taxable items, you'll need to reverse a proportionate amount of ITC as per the relevant rules. This also applies to items like free samples, lost goods, or those used for personal consumption.
Person can not claim ITC against exempt Goods and services. If you are supplying both Exempt as well as taxable Goods/services, than Proposnate ITC to be reversed as calculated as per rule.