Indivisible obligation is characterized from the viewpoint of object of obligation,while solidary obligation is characterized from the viewpoint of subject of obligation: they are different in standards of division,reasons of formation,functions and purposes,natures of obligations for compensating the damage,inheritability or not,reasons and methods of payment for the whole.The Chinese general principles of civil law have incorporated the indivisible obligation into the solidary obligation,in which there are only partial obligation and solidary obligation,whose legal pattern is different to that of major countries of continental law system.In order to fill the legal loophole,in the Chinese future civil code a new classification,id est,divisible obligation and indivisible obligation,should be added,so that we can clearly distinguish the indivisible obligation and solidary obligation.
During the performance of the construction contract,visa and claim is an effective way for construction enterprises to reduce cost and improve revenue and is the key link that determines the economic benefit of the contractor.Improper claims and lack of evidence is one of the reasons leading to the failure of claim.This article analyzes the matters needing attention in visa and claim from several aspects: basis of claim,causes of claim,argument data,validity of claim and claim report.
