After the issuance of the second series , all cash trading , pricing , lease , contract , debt , and balance shall be written in the new rmb . all previous debt , private or public , shall be paid in the new rmb at the appropriate exchange rate 第二套人民币发行后，一切货币收付交易计价契约合同单据凭证帐簿记载及国际间的清算等，均以第二套人民币为计算单位。
Later , they altered the color and the guilloche of 1 yuan and 5 yuan . the black 1 yuan and brown 5 yuan were issued on 3 25 1961 and 4 20 1962 respectively . therefore the number of types in the second series of rmb increased from 11 to 16 后来，对1元券和5元券的图案花纹又分别进行了调整和更换颜色，于1961年3月25日和1962年4月20日分别发行了黑色1元券和棕色5元券，使第二套人民币的版别由开始公布的11种增加到16种。
Later , they altered the color and the guilloche of 1 yuan and 5 yuan . the black 1 yuan and brown 5 yuan were issued on 325 1961 and 420 1962 respectively . therefore the number of types in the second series of rmb increased from 11 to 16 后来，对1元券和5元券的图案、花纹又分别进行了调整和更换颜色，于1961年3月25日和1962年4月20日分别发行了黑色1元券和棕色5元券，使第二套人民币的版别由开始公布的11种增加到16种。
