If any local, state or national agency or authority contributes the labor, or labor and any portion of the materials, supplies or equipment necessary for the construction of any improvement authorized under this division, the contract shall be for only those items which are not contributed by any such agency or authority. If proposals or bids are invited only for the furnishing of materials, supplies and equipment or any portion thereof not furnished by such agency or authority, the notice shall contain a statement to the effect that the legislative body may cancel the order for any undelivered materials, supplies or equipment by giving the successful bidder
24 hours notice of the cancellation, in which event the successful bidder will be entitled to compensation for only so much of the material, supplies and equipment as has been used prior to the giving of such notice of cancellation at the prescribed unit rates stated in the contract, and that the contractor shall agree to accept the return of any and all materials and supplies not used prior to the giving of such notice.
20410
20411
20412
20413
20414
20415
20416
20417
20418
20419
20420
20421
20422
20423
20424
20425
20426
20427
20428
20429
20430
20431
20432
20433
20434
20435
20436
20436.5
20437
20438
20439
20440
20441
20442
20443
20444
20445
20446
20447
20448
20449
20450
20451
20452
20453
20454
20455
20456
20457
20458
20459
20460
20461
20462
20463
20464
20411
20412
20413
20414
20415
20416
20417
20418
20419
20420
20421
20422
20423
20424
20425
20426
20427
20428
20429
20430
20431
20432
20433
20434
20435
20436
20436.5
20437
20438
20439
20440
20441
20442
20443
20444
20445
20446
20447
20448
20449
20450
20451
20452
20453
20454
20455
20456
20457
20458
20459
20460
20461
20462
20463
20464