models.py
class Company(models.Model):
name = models.CharField(max_length=64, verbose_name=u'Название компании')
....
class Document(models.Model):
number = models.CharField(max_length=64, verbose_name=u'Номер документа')
company = models.ForeignKey(Company)
...
class Commission(models.Model):
name = models.CharField(max_length=64, verbose_name=u'Название комиссии')
....
class CompanyCommission(models.Model):
company = models.ForeignKey(Company)... Читать дальше...
