and 263 of this Code, shall be sentenced to non-custodial reform for up to three years or between three months and three years of imprisonment. 2. Committing the crime and causing serious consequences, the offenders shall be sentenced to between two years and seven years of imprisonment. 3. The offenders shall also be banned from holding certain posts, practicing certain occupations or doing certain jobs for one to five years. Article 287.- Unintentionally disclosing work secrets; losing documents containing work secrets 1. Those who unintentionally disclose work secrets or lose documents containing work secrets, causing serious, very serious or particularly serious consequences in cases other than those stipulated in Article 264 of this Code, shall be subject to warning, non-custodial reform for up to two years or a prison term of between three months and two years. 2. The offenders may also be banned from holding certain posts, practicing certain occupations or doing certain jobs for one to five years. Article 288.- Deserting one•s posts 1. Those who are public employees but deliberately desert their working posts, causing serious consequences, shall be sentenced to non-custodial reform for up to two years or to between three months and three years of imprisonment. 2. Committing the offense in one of the following circumstances, the offenders shall be sentenced to between two and seven years of imprisonment: a) Dragging other persons into deserting their posts; b) Committing the offense in circumstances of war, natural calamity or in other particularly difficult situation of the society; c) Causing very serious or particularly serious consequences. 3. The offenders may also be banned from holding certain posts for one to five years. Article 289.- Offering bribes 1. Those who offer a bribe which has a value of between five hundred thousand dong and under ten million dong, or under five hundred thousand dong but cause serious consequences or commit it more than once, shall be sentenced to between one and six years of imprisonment. 2. Committing the offense in one of the following circumstances, the offenders shall