You pay two different classes of NIC if you are self-employed â Class 2 and Class 4. If you are a married woman or widow who is entitled to pay reduced rate contributions, you do not need to pay Class 2 NIC.There are special rules relating to share fishermen and volunteer development workers.or the 2015/16 tax year onwards both Class 2 and Class 4 NIC is paid along with your income tax liabilities. Up until the 2015/16 tax year, Class 2 NIC was paid either monthly by direct debit, six-monthly by direct debit or six-monthly by payment of a bill issued by HMRC.
Wiktionary (0.00 / 0 votes) Rate this definition: test (Noun). A challenge. test (Noun). An examination, given often during the academic term. test (Noun). A session in which a product or piece of equipment is examined under everyday or extreme conditions to evaluate its durability, etc.test (Noun). A Test match.iktionary (0.00 / 0 votes) Rate this definition: test (Noun). A challenge. test (Noun). An examination, given often during the academic term. test (Noun). A session in which a product or piece of equipment is examined under everyday or extreme conditions to evaluate its durability, etc. test (Noun).
adjective. The definition of diagnostic is something related to the identification of a problem or disease. 1  An example of a diagnostic test is an emissions test on a car. 2  An example of diagnostic is a symptom that is characteristic of a particular disease and that helps doctors to recognize that illness.