# Manual controls

<div id="bkmrk-%28...%29"><div>On a monthly basis, VTTI’s stocks are reconciled and the (monthly) supplementary declaration (GPA) is sent to Customs. </div><div>  
</div><p class="callout info">A link to VTTI's "C&amp;E - Customs monthly declaration GPA" procedure is included [here](https://www.bzctrl.com/bzctrl-core-api/api/v1/docrepo/getDocument/e3ed6f69-411a-4881-8573-26de33c0b1c9 "https://www.bzctrl.com/bzctrl-core-api/api/v1/docrepo/getDocument/e3ed6f69-411a-4881-8573-26de33c0b1c9").</p>

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</div><div>The specific modalities of GPA of VTTI Terminals II B.V. related to the nature of goods (liquid bulk) are captured in the Work agreement with the Customs authorities. </div><div>  
</div><p class="callout info">A link to "Work agreements GPA VTTI Terminals II BV" is included [here](https://www.bzctrl.com/bzctrl-core-api/api/v1/docrepo/getDocument/1512d348-1456-4934-b38d-b0f4195d3f7b "https://www.bzctrl.com/bzctrl-core-api/api/v1/docrepo/getDocument/1512d348-1456-4934-b38d-b0f4195d3f7b").</p>

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</div><div>Besides the above controls. several other controls are included in BzCtrl.  
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