
	As of December 31,
	2020			2021
	RMB’000			RMB’000
Contract acquisition cost		9,016,555			7,964,247
Loan facilitation and service fees		10,344,007			7,380,284
Receivables from external payment services providers (a)		1,750,254			2,665,300
Trust statutory deposits (b)		968,490			1,359,642
Wealth management transaction and service fees receivables		882,060			1,052,735
— Current Products		634,934			894,323
— Legacy Products		247,126			158,412
Receivables for shares repurchase program (Note 37(a))		—			870,006
Other deposit s		490,815			542,817
Guarantee fee s		88,900			410,577
Receivables f rom ADS income		3,524			111,933
Receivables f rom exercise of share options		—			36,036
Others		469,751			582,044

Less: Provision for impairment losses (c)		(688,378	)		(630,848	)

		23,325,978			22,344,773

(a)	The Group maintains accounts with external online payment services providers to transfer deposits of platform investors, collect principal and interests from borrowers and make loans. The Group recorded the related amounts as receivables from external payment service providers.

(b)	The balances represent cash deposited in China Trust Protection Fund Co., Ltd. as required by trust regulations.

(c)	The following table sets forth the movements in the provision for impairment losses:


	Year ended December 31,
	2019			2020			2021
	RMB’000			RMB’000			RMB’000
At the beginning of the year		252,324			401,626			688,378
Impairment loss recognized in the consolidated statement of comprehensive income		794,116			1,499,344			991,903
Written off during the year		(839,243	)		(1,283,858	)		(1,083,618	)
Recovery of receivables written off previously		194,429			71,266			34,185

At the end of the year		401,626			688,378			630,848

(d)	The loss allowance as of December 31, 2020 was determined as follows for receivables from loan facilitation and service fees, wealth management transaction and service fees receivables and guarantee fee:


	As of December 31, 2020
	Current			1-90 days past due			91-180 days past due			Total
Accounts and other receivables and contract assets		RMB’000			RMB’000			RMB’000			RMB’000
Expected loss rate		2.92	%		84.22	%		99.49	%		6.08	%
Loan facilitation and service fee		9,953,323			174,102			216,582			10,344,007
Wealth management transaction and service fee receivables		882,060			—			—			882,060
Guarantee fee		80,557			5,657			2,686			88,900

Loss allowance		(318,820	)		(151,398	)		(218,160	)		(688,378	)

(e)	The loss allowance as of December 31, 2021 was determined as follows for receivables from loan facilitation and service fees, wealth management transaction and service fees receivables and guarantee fee:


	As of December 31, 2021
	Current			1-90 days past due			91-180 days past due			Total
Accounts and other receivables and contract assets		RMB’000			RMB’000			RMB’000			RMB’000
Expected loss rate		2.36	%		89.87	%		94.83	%		7.12	%
Loan facilitation and service fee		6,943,369			201,188			235,727			7,380,284
Wealth management transaction and service fee receivables		1,052,735			—			—			1,052,735
Guarantee fee		379,493			18,069			13,015			410,577

Loss allowance		(197,933	)		(197,042	)		(235,873	)		(630,848	)

As of December 31, 2021 and 2020, the remaining amount of consideration the Group expected to receive is higher than the carrying amount of contract acquisition cost. As such, no loss allowance was recorded against contract acquisition cost.