ETF dividend | Aussie Stock Forums

Really need help.

I got an ETF BBUS which announced 1.1254 and I have 1200 units but end up only $81 send to my bank.

And they comment below.

“Under the AMIT Framework, with which the Fund has assumed, 50% of the Fund’s distribution payable has been provided to unit holders, while the remaining amount has been retained within the Fund. Note that the portion of distribution retained in the Fund means that your post-distribution unit price remains higher. For more insight into the AMIT Framework, please refer to the following FAQ page: https://www.betashares.com.au/investors/tax-information/.
“

Is it true? If 50% retained, why it not just announce 50% of dividend? And are they allow to do so?

Thanks for your help in advance.