First of all, you need to see what ER is declared for buyback. Lets assume it is 16%. This means, 16% of 44 shares i.e. 7 shares will be certainly bought back by the company if you tender these.
Now, if you tender more than 7, then AR comes into picture. So, assuming AR is 50% and you tender 22 shares out of 44. Then, company will accept 50% of shares tendered by you (and not 50% of shares held by you). So, acceptance will be for 11 shares.
@rajkumar: all above replies are wrong in regard to your query. you can see reply to @Amateur Investor in other thread here to understand. Sorry even after seeing your query and replies, i couldn't correct and reply before since i was too much busy and just opened in mobile once to check messages....
If I sell my 22 shares after record date and tender only 22 shares will they accept 50% of 44 or 50% of 22 ?