Os byddwch yn cael eich anfon am fwy na mis, rhaid i'ch cyflogwr roi gwybod ichi'n ysgrifenedig cyn ¡chi adael beth fydd amodau'ch gwaith a'ch cyflog tra byddwch chi dramor.
If you are to be posted for a period of more than a month, your employer must inform you in writing, before you leave, of your pay and working conditions while you are abroad.