New documents show tensions arose between government departments over who should get border exemptions and how the dairy industry lost out in favour of space and film projects. Government departments exchanged terse emails over which workers should be allowed border exemptions to fly into New Zealand. Photo: 123RF The Ministry for Primary Industries (MPI) pushed back hard on proposals by the Ministry for Business, Innovation and Employment (MBIE), saying they seemed 'arbitrarily limited to certain sectors' and appeared 'MBIE-centric'. Several of the projects that received approval for exemptions, such as workers on space and scientific research programmes, fall under MBIE, as does Immigration New Zealand.