11. Trade and other receivables
 
   Group  Company 
   2022 
R'000
 
2021 
R'000 
2022 
R'000
 
2021 
R'000 
Financial instruments: 852,531 1,546,833 8,805 11,036
Trade receivables 10,393 4,197 1,074 113
Other receivables 3,514 3,211 —  — 
Receivable from associate 866,438 1,554,241 9,879 11,149
         
Non-financial instruments:        
Prepayments 1,684 379 223 — 
Total trade and other receivables 868,122 1,554,620  10,102  11,149 

Trade receivables is net of a R24m (2021: R34m) commodities weight loss allowance. The commodity weight loss allowance is estimated using an estimated percentage of allowance per category of goods sold and by reference to past exposure experience. Trade receivables relating to local and foreign sales have an average payment term of between 30 and 120 days and are non-interest bearing. The Group's exposure to credit and currency risks related to trade and other receivables are disclosed in note 27. No ECLs have been incurred and provided for. Refer to note 1.17, Impairment of assets, for further information regarding the accounting policy for ECL on trade receivables.

R233m (2021: R239m) of trade receivables subjected to provisional pricing terms are accounted for at fair value through profit and loss. Level 2 hierarchy per IFRS 13. The fair value at the reporting date is based on the latest available ferrochrome prices and closing foreign exchange rate of R17.

The non-cash movement of the fair value adjustments of R64m (2021: R28m) is relating to trade receivables carried at fair value that has been treated as a non-cash flow in the statement of cash flows.

Refer to note 32 for other trade receivables from related parties.

   Group  Company 
   2022 
R'000
 
2021 
R'000 
2022 
R'000
 
2021 
R'000 
Trade receivables per sales region        
Africa 43,749 70,474
Asia 538,408 1,143,974
America 156,609 148,510
Europe 113,765 183,875
  852,531 1,546,833

The following table shows the movement in the weight allowances that have been recognised for trade receivables.

    Group   Company  
    2022 
R'000
 
2021  
R'000  
2022 
R'000
 
2021 
R'000 
Opening balance  33,522  22,251  —  — 
Provision raised  55,770  60,324  —  — 
Claims  (34,844) (25,416) —  — 
Amounts released  (30,330) (23,637) —  — 
Closing balance  24,118  33,522  —  —