How these corpus funds are created?
Users need to give explicit consent for the NGO to take up the donation for its corpus fund, else it would be considered as a normal donation. Another option is, NGOs can take a maximum of 15% of the normal donations it has received in a year for its corpus fund. Corpus Fund needs to be ideally setup as a separate bank account to differentiate them from the normal donations being received. There are multiple ways by which NGOs can request for corpus fund donation from its users online, which are provided below.
OPTION 1- Raising a Fundraiser specifically for corpus fund through one of the fund raising avenues and explicitly stating in the description that the funds donated will be for the NGO's Corpus Fund. An example: Bhumi - Corpus Fund (GiveIndia).
OPTION 2- Danamojo is a company which provide online payment both general and corpus fund option for the NGOs, kidpower India is one of the users of danamojo and they're providing corpus fund option through their website itself (Kidpower India).
OPTION 3- Creating a personal info form with comments input field where we can mention that this amount is for corpus fund and make a donation, Indian association for the Blind is using this way for getting the corpus fund (IAB Corpus).
OPTION 4- Adding a checkbox with proper declaration statement, like I hereby declare that this amount is contributed towards the corpus of the trust to be used for its objective.
OPTION 5- Adding a file upload option, where the donor can write a letter by mentioning that the donation is for corpus with their signature, scan it and upload it.