Agencies shall perform contract quality assurance, including inspection, at source if—

(a) Performance at any other place would require uneconomical disassembly or destructive testing;

(b) Considerable loss would result from the manufacture and shipment of unacceptable supplies, or from the delay in making necessary corrections;

(c) Special required instruments, gauges, or facilities are available only at source;

(d) Performance at any other place would destroy or require the replacement of costly special packing and packaging;

(e) Government inspection during contract performance is essential; or

(f) It is determined for other reasons to be in the Government's interest.