# 4. GOL IBE - advanced settings

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1. [<mark style="color:blue;">How to handle Parallel requests?</mark> ](https://enhelp.golibe.com/3.-gol-ibe-advanced-settings/paraleleni-dotazovani)
2. [<mark style="color:blue;">What is MultiPCC request about?</mark>](https://enhelp.golibe.com/3.-gol-ibe-advanced-settings/multipcc-dotazovani)
3. [<mark style="color:blue;">How to handle MIR?</mark>](https://enhelp.golibe.com/3.-gol-ibe-advanced-settings/mir)
4. [<mark style="color:blue;">How to add a service fee from airline commission?</mark> ](https://enhelp.golibe.com/3.-gol-ibe-advanced-settings/servisni-poplatek-z-provize-letecke-spolecnosti)

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📩 Feel free to contact us at: <mark style="color:blue;"><gol_support@cee-systems.com>.</mark>
