Those who take part in the process of writing an IEP include parents, at least one of the student's regular education teacher, and at least one of the student's special education teacher. An IEP must be in place at the beginning of each school year and must be reviewed and revised, if necessary, at least annually. An IEP must be developed within 30 days of determining a student's eligibility for special education under IDEA. The primary component of IEP development and revision is the student's perceived strengths and weaknesses; results of recent student assessments and, if appropriate, adjusting strategies that work with behavioral, language, visual, auditory, and communication problems that may potentially impede the student's learning. Another consideration is whether the student requires assistive technology devices or