A lobotomy in which the white fibers that connect the thalamus to the prefrontal and frontal lobes of the brain are severed, formerly performed to treat behavior that was considered to be abnormal.
Depends on who issued it - for an exact date, contact the issuing agency. Red Cross CPR certifications last for 2 years and American Heart Association certifications last for 2 years. Regardless how long the certification is good for, certain standards like NFPA require it annually. Be sure to check your company policy. Best case practice yearly in regards to OSHA training requirements (BBP).
Such regular training for first aiders, is to refresh their first aid knowledge and skills and to confirm their competence to provide first aid. The Provide First Aid certificates stay valid for three years from date of issue. The date of issue is typically the date of which you completed the training course. In NSW, refresher First Aid training must take place every three years. This is mandated by the WorkCover approved First Aid in the Workplace Code of Practice.