We have known that if an insurance certificate requires a coutersign by the assured then it must be signed to establish the valid.
Para.38 ISBP states that a signature is not necessary to be signed at a box or place for it.
From this suggested answer related to endosement in FAQ of Gary
There is no requirement that an endorsement must be made on the reverse or back side of a document. An endorsement on the front of a document would have equal effect
Can i infer that a countersign can be done on the back of insurance certificate ?
A Countersign or an endosement is basical also a signature even their functions are diffrent i think.
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If the presented insurance certificate only contains a stamp and signature of the assured on the back side, and lack of a coutersign of the assued at its place on reverse side. Then you usually raise the discrepancy as "Not be countersigned", dont you ?
But if what i think above is not wrong then either the discrepancy as lacking a countersign or an endorsement can be not firm for not any argument later because the refusal is single.
I would like to have your opinions about this matter.
Many thanks advance.