1The model clauses (other than the model clause entitled “Right to search and bore for and get petroleum”) set out in Parts I and III of Schedule 2 to the [S.R.& O. 1935/426.] Petroleum (Production) Regulations 1935 as amended by the [S.I. 1954/1378.] Petroleum (Production) (Amendment) Regulations 1954 and the [S.I. 1957/1697.] Petroleum (Production) (Amendment) Regulations 1957 (mining licences).