(1)Every plan or section prepared or submitted in accordance with the provisions of these regulations shall -(a)show the name of the mine and of the owner and the purpose for which the plan is prepared;.(b)show the true north, or the magnetic meridian and the date of the later;(c)show a scale of the plan at least 25 centimeters long and suitably subdivided;(d)unless otherwise provided, be on a scale hating a representative factor of 2000:1 or 1000:1.Provided that the Chief Inspector may, by an order in writing and subject to such conditions as he may specify therein, permit or require the plans to be prepared on any other suitable scale; and(e)be properly inked in on durable paper, tracing cloth or on polyester film and be kept in good condition;(f)have an abstract of all statutory restrictions in respect of any specified working with a reference to the order imposing the same.
