Section 144 variation to an excavation permit How to submit a request if you propose a variation to an existing approved section 140 excavation permit. In this section keyboard_arrow_down Topics Heritage keyboard_arrow_down Expand Heritage menu About heritage Request a heritage listing Manage heritage items Search heritage databases Apply for heritage approvals and permits keyboard_arrow_down Expand Apply for heritage approvals and permits menu Pre-lodgement service for heritage applications Aboriginal objects and places keyboard_arrow_down Expand Aboriginal objects and places menu Apply for an Aboriginal heritage impact permit Application fees Transfer vary or surrender an Aboriginal heritage impact permit Public register Apply for a care agreement State Heritage Register items keyboard_arrow_down Expand State Heritage Register items menu Standard exemptions Heritage application fees Section 60 fast track works application Section 60 works application Modify a section 60 works approval Compliance with conditions Comment on applications Certification of heritage status Heritage delegations Historical archaeology keyboard_arrow_down Expand Historical archaeology menu Heritage application fees Section 140 excavation permit Section 144 variation to an excavation permit Section 139(4) excavation permit exceptions Compliance with conditions Notify discovery of a relic Integrated development Heritage approvals guidance for local councils keyboard_arrow_down Expand Heritage approvals guidance for local councils menu Concurrence and referral process Development application referrals Maritime heritage permits State Significant projects Heritage grants Celebrate heritage Aboriginal Cultural Heritage Advisory Committee Heritage Council of NSW Animals and plants keyboard_arrow_down Expand Animals and plants menu Biodiversity conservation framework Biodiversity Offsets Scheme keyboard_arrow_down Expand Biodiversity Offsets Scheme menu About the Biodiversity Offsets Scheme keyboard_arrow_down Expand About the Biodiversity Offsets Scheme menu Biodiversity Offsets Scheme overview and achievements How the Biodiversity Offsets Scheme works keyboard_arrow_down Expand How the Biodiversity Offsets Scheme works menu Biodiversity credits Biodiversity Stewardship Agreements Biodiversity offsetting