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Provincial Waterworks Authority Annual Report 2023 253
5.4 Suplies classified by types of materials are as follows:
Unit : Million Baht
Financial statement-equity
method applied/
Separate financial statements
2023 2022
Production materials 150.04 116.99
Operation materials 252.51 238.53
Spare parts 17.44 21.63
Bottled drinking water 1.92 2.20
Bottled drinking water - waiting for warehousing 0.68 -
Materials returned from projects under construction 0.05 0.13
Total 422.64 379.48
Less Allowance for revaluation and obsolete supplies (0.08) (0.07)
Total 422.56 379.41
As at 30 September 2023 and 2022, supplies amounting to 422.56 million baht and
379.41 million baht respectively were the remaining balance presented in the report of the annual
inventory count committee. In case the number was higher or lower than the account balance,
the differences, whether in amount or unit, were recorded as the supplies pending adjustment and
investigation for the cause of differences and were shown in other current assets.
5.5 Other current assets
Unit : Million Baht
Financial statement-equity
method applied/
Separate financial statements
2023 2022
Undue input tax 210.80 225.55
Advance payment 3.63 11.84
Total 214.43 237.39
