6.3 Criteria for use of proper level of preservation, packaging, and
packing shall be as follows:
Level A. This level shall be used for those items which are to be
shipped to indeterminate destinations or stored under indeterminate con-
ditions for redistribution anywhere.
Level B. This-level shall be used only when it is definitely
known that the item will be held in covered storage in overseas locations
for six months or less or in domestic locations for an indefinite period.
Level C. This level shall be used only when it is definitely
known that the packaged item is to be shipped to domestic installations
for immediate use at the first receiving activity.
6.4 Guarantee. The contract or order shall include a requirement
for a guarantee stating that any rear cover which fails to meet the
requirements of this specification within one year after delivery because
of a defect in material or workmanship or because of the vendor's fail-
ure to comply with the requirements of the applicable drawings and spec-
ifications shall be replaced by the vendor at no cost to the Government.