票据变造的法律责任划分与风险责任负担

票据变造时，票据变造人、被变造人、变造后签章人以及不能辨别其签章在变造之前或之后的签章人应承担相应的法律责任；票据持票人、付款人、变造后的签章人都有负担风险责任的可能性，而付款人的风险责任分担上应采取公平原则、禁止反言原则等。

On the Risk-Bearing on an Altered Negotiable Instrument

According to this paper, when a negotiable instrument is altered, the man who have altered a negotiable instrument, the man whose negotiable instrument have been altered, the signer who have signed subsequent to the alteration, and the signer who can not discern his signature is previous or subsequent to the alteration, should assume consequential legal liability. The holder and Payer of bills, and The signer who have signed subsequent to the alteration, all may assume risk responsibility; and burden-sharing of risk responsibility refer to principle of equitable burden-sharing in civil law, and according to four kinds of recommended measure whose anther advance.