What does this supplementary plate, used together with a road sign, indicate?

Question

KET Užduotys · Accepted Answer

Correct answer: That the sign applies from Monday to Friday.. Explanation: The supplementary plate No. 823 "Working days" shows that the road sign it accompanies applies from Monday to Friday inclusive, except for public holidays set by law.. KET reference: KET 1 priedas 823: Working days. Shows that the road sign applies from Monday to Friday inclusive, except public holidays.