6.—(1) Payment of grant shall be made only on receipt of a claim for payment made by the applicant in such form and manner and at such time as the Scottish Ministers may from time to time determine.
(2) No grant shall be paid until the investment or project has been completed or any stage of investment or of the project has been completed.
(3) Payment of grant may be made by lump sum or by instalments as the Scottish Ministers think fit.
(4) The Scottish Ministers may make payment (in whole or in part) of grant subject to the such conditions as they think fit (including without prejudice to that generality conditions as to the manner and date of completion of the investment or project and its continuation).