Article 19
United Kingdom
1.
The purpose of validation of expenditure by the authorising officer shall be:
(a)
to verify the creditor's claim;
(b)
to determine or verify the existence and the amount of the sum due;
(c)
to verify the conditions under which the payment falls due;
(d)
to verify that purchases or services rendered are as ordered.
2.
The authorising officer may have the verifications carried out under his responsibility.