or materially different environmental effects compared to those in the environmental  statement,  the application is to be taken to have been refused by the relevant authority at the end of that  period.  3. —(1) In relation to any application to which this Schedule applies, the relevant authority has  the right to request such reasonable further information from the undertaker as is necessary to  enable it to consider the application.  (2) In the event that the relevant authority considers such further information to be necessary  and the provision of the Order governing or requiring the application does not specify that  consultation with a requirement consultee is required, the relevant authority must, within ten  business days of receipt of the application, notify the undertaker in writing specifying the further  information required.  (3) If the provision of the Order governing or requiring the application specifies that  consultation with a requirement consultee is required, the relevant authority must issue the  consultation to the requirement consultee within five business days of receipt of the application,  and must notify the undertaker in writing specifying any further information requested by the  requirement consultee within five business days of receipt of such a request and in any event  within ten business days of receipt of the application.  (4) In the event that the relevant authority does not give notification as specified in sub- paragraph (2) or (3) it is to be deemed to have sufficient information to consider the application  and is not subsequently entitled to request further information without the prior agreement of the  undertaker.  4. —(1) The undertaker may appeal in the event that—  (2) The appeal process is to be as follows—  118 (d) the relevant authority and any requirement consultee must submit written representations  to the appointed person in respect of the appeal within ten business days of the start date  (c) as soon as is practicable following receipt of the appeal documentation, the Secretary of  State is to appoint a person to determine the appeal (“the appointed person”) and must  notify the appeal parties of the identity of the appointed person and the address to which  all correspondence for that person’s attention must be sent, the date of such notification  being the “start date” for the purposes of this sub-paragraph (2);  (b) the undertaker must submit the appeal documentation to the Secretary of State and must  on the same day provide copies of the appeal documentation to the appeal parties;  (a) any appeal by the undertaker must be made within 42 days of the date of the notice of the  decision or determination, or (where paragraph 2(3) applies) expiry of the decision period  as determined under paragraph 2(1);  (c) on receipt of any further information requested, the relevant authority notifies the  undertaker that the information provided is inadequate and requests additional  information which the undertaker considers is not necessary for consideration of the  application.  (b) on receipt of a request for further information pursuant to paragraph 3 the undertaker  considers that either the whole or part of the specified information requested by the  relevant authority is not necessary for consideration of the application; or  (a) the relevant authority refuses (including a deemed refusal pursuant to paragraph 2(3)) an  application for any consent, agreement or approval required or contemplated by any of  the provisions of this Order or grants it subject to conditions;  Further information and consultation  Appeals 