A total of 243 Right to Information requests were refused last financial year.
The Right to Information Annual Report 2018-19 was tabled by Attorney-General Elise Archer in the House of Assembly on Wednesday.
In 2018-19, of the 859 applications received 797 were determined.
Information was granted in full in 238 cases and in part in 316 cases.
Of the applications finalised, only 578 were determined within 20 working days with the remaining 219 requiring a negotiated extension with the applicant, the Ombudsman or a third party.
52 applications were determined by an internal review and 37 by the Ombudsman.
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The 243 applications were refused under the grounds the information was already available for inspection or purchase, it could not be produced using a normal computer and would unreasonably divert resources, it is or was to be disclosed by other means, it was a repeat of a previous application or it was vexatious.
Of all applications made, 606 were made of government departments, zero of ministers, 145 of councils and 108 of other public authorities.
The Department of Police, Fire and Emergency Management was the department which received the most applications with 291, followed by Primary Industries, Parks, Water at Environment with 72, Justice with 62 and Communities Tasmania with 46.
The Department of Education received 38 applications, State Growth 37, Health 33, Premier and Cabinet 22 and Treasury and Finance five.
Every council except the Central Coast Council, Central Highlands Council, Kentish Council, Meander Valley Council and Southern Midlands Council received at least one application.