A theory is by definition testable; in fact, a theory has, by definition, been tested and passed every empirical test that has been thrown at it. A hypothesis may not be testable, and I think that is what you are really getting at.athematicians also do not prove theories, but theorems, which are a completely different thing. Correct terminology makes all the difference here. An unfalsifiable theory (prediction of observable future behavior) is an oxymoron (we either observe the predicted behavior or not).
Single Euro Payments Area (SEPA) The creation of the Single Euro Payments Area (SEPA) is an EU public authoritiesâ integration initiative in the area of electronic euro payments. The SEPA zone comprises 34 countries, including Switzerland and Liechtenstein.
A PAYE settlement agreement or PSA is a flexible scheme an employer can use to settle any PAYE tax and NICs due to HMRC on three groups of expenses and benefits: 1  Minor items: e.g. a small present for an employee in hospital or an employee's use of a pool car where the conditions for tax exemption don't apply; or.ou can apply for a PSA at any time, but the timing of the agreement will affect the items that can be covered. 1  If a PSA is agreed before the start of the tax year, then there are no limitations, other than falling in to the three categories above, on the expenses and benefits that can be included in it.