Question no : 623 PM Execution Order External Service Concepts

PLM300 Plant Maintenance
Unit 05 Corrective Maintenance

Which method is used to record services completed by external services procurement scenario via service specifications ?
(only one answer)

(A) Confirmations.
(B) Service entry sheets.
(C) Goods receipt.
(D) Service confirmations.
(E) Collective invoice verifications.
.