Supplemental powers  PART 3  ACQUISITION AND POSSESSION OF LAND  Powers of acquisition  Temporary possession of land  Compensation  Supplementary  PART 4  OPERATION OF TRAMWAY SYSTEM  PART 5  MISCELLANEOUS AND GENERAL  2 20.  Attachment of equipment to buildings  21.  Discharge of water  22.  Works to safeguard buildings and the operation of the authorised tramway  23.  Power to survey and investigate land, etc.  24.  Mode of construction and operation of tramway  25.  Obstruction of construction of authorised works  26.  Power to construct temporary tramways  27.  Removal of human remains  28.  Power to acquire land  29.  Application of Part 1 of the 1965 Act  30.  Application of the Compulsory Purchase (Vesting Declarations) Act 1981  31.  Powers to acquire new rights  32.  New rights only to be acquired in certain lands  33.  Rights under or over streets  34.  Temporary use of land for construction of works  35.  Temporary use of land for maintenance of works  36.  Disregard of certain interests and improvements  37.  Set-off for enhancement in value of retained land  38.  No double recovery  39.  Extinction or suspension of private rights of way  40.  Time limit for exercise of powers of acquisition  41.  Power to operate and use tramway system  42.  Power to charge fares  43.  Traffic signs  44.  Traffic regulation  45.  Planning permission  46.  Statutory undertakers, etc.  47.  Minerals  48.  Saving for highway authorities  49.  Disclosure of confidential information  50.  Defence to proceedings in respect of statutory nuisance  51.  Certification of plans. etc.  52.  Service of notices  53.  Arbitration 