Русско-англо-русский юридический словарь

side job. A job undertaken in addition to one's main occupation, as a supplementary source of income: he now has a side job selling newspapers. (Oxford Living Dictionaries)

China Nonferrous Gold has signed a supplementary agreement with CNMC, an associate of China Nonferrous Metals International Mining Co, the company’s 38.36% shareholder, for an extension of the CNMC loan by one year to be repayable on 26 Nov 2018, with all other terms remaining unchanged. (The Telegraph)